NTPC CBT-2 Physics Quiz - 45

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Question 1:

Gas thermometers are more sensitive than Liquid thermometers because of gases?

Are lighter

Have a larger coefficient of expansion

Have a lower specific heat

Have a high specific heat

Which of the following options is/are correct for transparent substances?

Absorbs all the light incidents on them

Allow light to pass through them

Do not allow light to pass through them

Allow light to pass through them partially

The layer of the atmosphere used for radio wave transmission is-

Chromosphere

Troposphere

Ionosphere

Stratosphere

At what temperature are the readings of a Centigrade and Fahrenheit thermometer the same?

-40

212

140

100

1 Femto meters is equal to how many meters?

$10^{-12}$

$10^{-14}$

$10^{-15}$

$10^{-24}$