Math Is Fun Forum

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

The time taken is understandable. No problem!

The answer #2813 is perfect. Marvelous!

#2814. Name the biologist who published 'Silent Spring' in 1962, first as a series in The New Yorker, then as a book. (She had become concerned during the 1950s at the rapid increase in artificial pesticide and herbicide spraying by farmers and government agencies.)

#2815. What is a 'Breathalyzer' or 'Breathalyser'?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

The

The answer #2815 is correct. Fantastic!

#2816. Name the chemical compound that contains equal quantities of dextrorotatory and levorotatory forms and therefore does not rotate the plane of incident polarized light.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

The

#2817. Name the compound used for manufacturing red, orange and yellow light-emitting diodes. It is often grown to form a GaP/GaAsP heterostructure. In order to tune its electronic properties, it may be doped with nitrogen (GaAsP:N).

#2818. Name the popular name of Sodium tetraborate decahydrate (Na[sub]2[/sub]B[sub]4[/sub]O[sub]7[/sub] ×10H[sub]2[/sub]O), a soft, light, colourless crystalline mineral used as a component of glass and pottery glazes in the ceramics industry, as a solvent for metal-oxide slags in metallurgy, as a flux in welding and soldering, and as a fertilizer additive, a soap supplement, a disinfectant, a mouthwash, and a water softener.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

The answer

.

The answer #2818 is correct (Borax). Excellent!

#2819. In which year was the Special Theory of Relativity propounded?

#2820. In which year was the General Theory of Relatavity propounded?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

The answers #2819 (1905) and #2820 (1915/1916) are both correct. Remarkable!

#2821. What is a gallon in liters, unit of volume in the U.S. Customary System, used in liquid measure equal to?

#2822. What is a gallon in litres, unit of volume in the British Imperial System, used in liquid and dry measure equal to?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

The answer #2821 is perfect. Superlative!

The

#2823. Name the person who investigates complaints and mediates fair settlements, especially between aggrieved parties such as consumers or students and an institution or organization. (Also, a government official, especially in Scandinavian countries, who investigates citizens' complaints against the government or its functionaries.)

#2824. Name the the most important decision-making and leadership organ in the Communist Party, and has commonly been seen as equivalent to the cabinet in Western political systems.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

The answer #2824 is correct. Neat job!

#2825. What is 'Trichology'?

#2826. What is 'Open Skies Treaty'?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

#2827. Name the Alexandrian astronomer, mathematician, and geographer whose masterpiece is known by its Arabic title of the Almagest, a complete treatment of astronomical knowledge in thirteen books. This work dominated astronomical theory in Byzantium, the Islamic world, and medieval Europe.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

The answer #2827 is correct. Smart work!

#2828. Name the English physician who is credited with successfully introducing the practice of vaccinating against smallpox.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

The answer #2828 is correct. Neat job!

#2829. Name the English mathematician, physicist, and astronomer whose works include 'The Universe around Us' (1929), 'The Mysterious Universe' (1930), and 'The Growth of Physical Science' (1947).

#2830. Name the German philosopher, one of the greats in Western metaphysics comes from works he published late in life, including 'Critique of Pure Reason' (1781) and 'The Fundamental Principles of the Metaphysics of Ethics' (1785). (His works include 'Prolegomena' (his 1783 attempt to better explain 'Critique of Pure Reason'), 'Critique of Practical Reason' (1788) and 'Critique of Judgment' (1790)).

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

#2831. How many kilometers is nautical mile? (A unit of length used in sea and air navigation, based on the length of one minute of arc of a great circle, especially an international and U.S. unit)

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

The answer #2831 is correct. Brilliant!

#2832. Where is the Khone Phapheng Falls?

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: General Quiz

Hi ganesh;

---

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Jai Ganesh

Administrator

Registered: 2005-06-28

Posts: 50,776

Re: General Quiz

Hi bobbym,

#2833. Name an organism, especially a fungus or bacterium, that grows on and derives its nourishment from dead or decaying organic matter.

#2834. Name any of the the viruses that infect bacterial cells. They are discrete particles with dimensions from about 20 to about 200 nanometers.

---

It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.