Temperature of a body is directly proportional to
A) potential energy
B) mass
C) density
D) average kinetic energy
1 Answers
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The volume (V) of a mass of gas varies directly as its absolute temperature (T) and inversely as the pressure (P) applied to it. The gas occupies a vo
Correct Answer - ` (700)/3 K`
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The volume (V) of a mass of gas varies directly as its absulute temperature (T) and iversely as the pressure (P) applied to it. The gas occupies a vol
Correct Answer - 125 K
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A body projected vertically upwards, reaches a height of 180 m. Find out `[g=10ms^(-2)]` (i) intial velocity of body (ii) time taken by body to reach
Correct Answer - (i)`60m//s` (ii) 6 sec (iii) 12 sec (iv )160 m (v)`-20m//s` (vi) 2 sec, 10 sec (vii) 6 sec
2 Answers 1 views
…………….. flows from a body at higher temperature to a body at lower temperature.
Correct option is B) Heat
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For some change in temperature the amount of heat absorbed by a substance is directly proportional to …………………
Correct option is A) mass
2 Answers 1 views
Refractive index of medium is directly proportional to ………………..
B) optical density of the medium
2 Answers 1 views
The potential difference between the ends of a conductor is directly proportional to the electric current passing through it at constant temperature.
A) Ohm’s law
2 Answers 1 views
Acceleration is directly proportional to A) mass
Correct option is D) force
2 Answers 1 views
If x is directly proportional to y then which of the following is correct ?
Correct option is (C) x/y = k \(x\propto y\) \(\Rightarrow\) x = ky \(\Rightarrow\) \(\frac{x}{y}=k\) Alternate :- If x is directly proportional to y then the ratio of x and y must be constant. i.e., \(\frac{x}{y}=k\)
2 Answers 2 views