Q:1-Acceleration of a body is given as
a = (d/t) + (c/t²)
(a is acceleration and t is time)
What would be the dimensional formula of d?
Mark one answer:
LT^-1
LT^-2
L²T^-2
L²T^-1

Q:6-A 5 kg block of ice, kept at some height, has the potential energy of 1000 Joules. What is the height at which the block has been kept?
Mark one answer:
20.4 m
21.2 m
10.5 m
11.4 m

Q:7-For a body in SHM, the maximum displacement of the body on either sides of the equilibrium is known as
Mark one answer:
amplitude
wavelength
period
frequency

Q:8-A radio FM is broadcasting signals at a frequency of 400 MHz. What is the wavelength of the signal, if it is travelling at a speed of 2.5 x 10⁸ m/s?
Mark one answer:
0.534 m
0.625 m*
0.725 m
0.918 m

Q:9-A cubical wooden block of side 0.2 m is floating on the surface of water in such a way that some part of wooden surface is outside it. What percentage of the wooden surface is outside the water? (Density of wood = 700 kg/m³)
Mark one answer:
10 %
20 %
25 %
30 %

Q:10-20 gram of a substance evaporates at 500 K by absorbing 740 J of energy. If the specific heat of the substance is 1000 J/kg K, what is the final temperature of the substance?
Mark one answer:
400 K
413 K
537 K
513 K