Physics Questions

Q:

For which one of the following, 'Diodes' are generally used for?

A) Rectification B) Amplification
C) Modulation D) Filtration
 
Answer & Explanation Answer: A) Rectification

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Q:

The motion of a freely falling body is an example of ______________ accelerated motion.

A) non-uniformly B) uniformly
C) uniquely D) specially
 
Answer & Explanation Answer: B) uniformly

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Q:

When a number of resistors are connected in series in a circuit, the value of current:

A) increases B) becomes half
C) decreases D) remains the same
 
Answer & Explanation Answer: D) remains the same

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Q:

____________________is a measure of the actual amount of water vapour in a particular sample of air: measured as a partial pressure.

A) Specific Humidity B) Absolute Humidity
C) Relative Humidity D) Dew Point
 
Answer & Explanation Answer: B) Absolute Humidity

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Q:

Why metals conduct electricity?

A) Because of low melting point B) Because of high tensile strength
C) Because of free electrons D) Because of high atomic density
 
Answer & Explanation Answer: C) Because of free electrons

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Q:

What is the SI unit of pressure?

A) Newton B) Weber
C) Pascal D) Henry
 
Answer & Explanation Answer: C) Pascal

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Q:

Which of the following is a renewable source of energy?

A) Coal B) Petroleum
C) Plant D) Natural Gas
 
Answer & Explanation Answer: C) Plant

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Q:

The area under a Velocity-Time graph represents ______________.

A) distance B) acceleration
C) force D) momentum
 
Answer & Explanation Answer: A) distance

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