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Q:

For photoelectric effect to take place, the metal used as the cathode should have_________

A) high melting point B) low melting point
C) Low work function D) low resistance
 
Answer & Explanation Answer: C) Low work function

Explanation:
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Filed Under: Physics
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Q:

Assembly is a _______ based low-level language replacing binary machine-code instructions, which are very hard toremember, it is the classic and uncontroversial example of alow level language.

A) Memory B) High Level
C) Key D) Mnemonic
 
Answer & Explanation Answer: D) Mnemonic

Explanation:

Assembly language is mnemonic based low levellanguage. Mnemonics are short codes of assemblylanguage which chosen to remind the programmer ofthe instructions of binary machine-code which areapparently which are very hard to remember, writedown, or correct.

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Filed Under: Computer
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Q:

The eighth amendment protects against

A) more fines B) more punishments
C) excessive bail D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The 8th amendment of the US constitution tells the government not to give excessive bail, nor fines , nor unusual punishments.

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Filed Under: Indian Politics
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Q:

Electrical Energy is the energy of

A) Protons B) Neutrons
C) Electrons D) All the above
 
Answer & Explanation Answer: C) Electrons

Explanation:

We know that Kinetic energy is the energy of a moving object and in the same way Electrical energy is the form of kinetic energy caused by moving electric charges called electrons.

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Filed Under: Physics
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Q:

Which work of art uses hierarchical scale?

A) painting B) sculpture
C) both a & b D) none
 
Answer & Explanation Answer: C) both a & b

Explanation:

Hierarchical scale is used in both painting and sculpture works of arts.

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Filed Under: General Science
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Q:

A person lifts luggage of 20 kg from the ground and puts it on his head 2 in above the ground. Calculate the work done by him. (g = l0 )

A) 20 J B) 400J
C) 200J D) 40J
 
Answer & Explanation Answer: B) 400J

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Filed Under: Physics
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Q:

Which of the following is not a unit of energy?

A) Calorie B) Joule
C) electron volt D) Watt
 
Answer & Explanation Answer: D) Watt

Explanation:

The watt(symbol: W) is a unit of power. In the International System of Units (SI) it is defined as a derived unit of 1 joule per second, and is used to quantify the rate of energy transfer. In dimensional analysis it is described by

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Filed Under: Physics

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Q:

Which is true of the Federal Republic of Germany?

A) It was pro-American B) It joined together all of Germany
C) It was Communist D) It was Socialist
 
Answer & Explanation Answer: A) It was pro-American

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Filed Under: World Geography
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