A person seated in front of a fire receives heat by_____.

A. Conduction
B. Convection
C. Radiation
D. None of these

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If we heat one end of metallic rod, the other end gets hot. The method of heat transfer is_____.

A. Conduction
B. Convection
C. Radiation
D. None of these

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Which of the following is NOT a method of heat transfer?

A. Conduction
B. Convection
C. Radiation
D. All of the above (more…)

Which from the following is NOT a method of heat transfer?

A. Conduction
B. Convection
C. Radiation
D. All are methods of heat transfer (more…)

There are _____ methods of heat transfer.

A. 3
B. 4
C. 5
D. 6

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The unit used to measure ‘Pressure’ is_____.

A. pascal
B. newton
C. watt

D. tesla

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The device used to measure movements of the heart is_____.

A. Cardiograph
B. Seismograph
C. Hydrometer
D. Hygrometer

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The guitar has ______ strings.

A. 4
B. 5
C. 6
D. 7

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Sound waves from a loudspeaker are caused by_____.

A. frequency
B. vibrations
C. pitch
D. amplitude

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The number of oscillations per second is called the_____.

A. hertz
B. waves
C. pitch
D. frequency (more…)