Question

Q. 5 Spot the wrong statement :The acceleration due to gravity 9 de
(a) We go down from the surface of the earth towards its centre
(b) We go up from the surface of the earth
(C) We go from the equator towards the poles on the surface of the ear
(d) The rotational velocity of the earth is increased
Q.6 The dimensions of surface tension are
(a) [MLT-1
(b) [ML?T-?)
(C)(MLºT-?)
(d)[ML-'T-21
Q.7 A sample of metal weighs 210 gm in air. 180 gm in water and 120 gm in liquid. Then relative density
(RD) of
(a) Metal is 3
(b) Metal is 7 (c)Liquid is 3 (d)Liquid is
Q.8 The velocity of a particle performing simple harmonic motion, when it passes through its mean position is
(a) Infinity
(b) Zero (c) Minimum
(d)Maximum
Q.9 Which of the following is different from others
(a) Velocity
(b) Wavelength
(c)
Frequency
(d)
Amplitude
Q.10 Which of the following statements is correct for any thermodynamic system
(a) The internal energy changes in all processes
(b) Internal energy and entropy are state functions
(c) The change in entropy can never be zero
(d) The work done in an adiabatic process is always zero


select the correct answer.​

Answer 1

Answer:

the internal energy change in all process