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Q:

In which form is the supplied heat energy stored during change in temperature of substance?

A) Heat energy B) Kinetic energy
C) Potential energy D) Both kinetic and potential energy
 
Answer & Explanation Answer: B) Kinetic energy

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Exam Prep: Bank Exams , GATE

0 2031
Q:

In a sound wave compressions are regions where density _________________________

A) as well as pressure is high B) as well as pressure is low
C) is high and pressure is low D) is low and pressure is high
 
Answer & Explanation Answer: A) as well as pressure is high

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Exam Prep: Bank Exams

2 2031
Q:

A body in motion essentially acquires

A) Kinetic energy B) Potential energy
C) Mechanical energy D) Heat energy
 
Answer & Explanation Answer: A) Kinetic energy

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Exam Prep: Bank Exams

2 2029
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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0 2024
Q:

What is the phenomenon which established the transverse nature of light ?

A) Reflection B) Interference
C) Diffraction D) Polarisation
 
Answer & Explanation Answer: D) Polarisation

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Exam Prep: Bank Exams

0 2024
Q:

The value of acceleration due to gravity (g) at a distance of 2R from the surface of earth, where R is the radius of earth is ______.

A) g/3 B) g/4
C) g/9 D) g/2
 
Answer & Explanation Answer: C) g/9

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Exam Prep: Bank Exams

2 2023
Q:

Instrument for measuring rainfall is called

A) Lucimeter B) Galactometer
C) Hyetometer D) Hygrometer
 
Answer & Explanation Answer: C) Hyetometer

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Exam Prep: Bank Exams

4 2020
Q:

Polarizing sunglasses are useful because they are able to

Polarizing sunglasses are useful because they are able to

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Subject: Physics Exam Prep: Bank Exams

1 2019