With the increase of pressure, the boiling point of any substance:
A. Decreases
B. Increases
C. Remains same
D. Becomes Zero
Which one of the following has the highest value of specific heat:
A. Water
B. Alcohol
C. Methane
D. Kerosene
Young’s modulus is the property of:
A. Gas only
B. Liquid only
C. Solid only
D. All of the above
Which of the following is used to control rods in nuclear fission:
A. Graphite
B. Heavy Water
C. Cadmium
D. All of these
Tick the correct statement:
A. Moderators slow down the neutrons
B. Moderators bring the neutrons to rest
C. Moderators absorb the neutrons
D. Moderators reflect the neutrons
Atom is the smallest particall which is:
A. Indivisible
B. Divisible
C. Both
D. Non of these
Potential energy means:
A. Due to position of object
B. Due to motion of object
C. Due to gravity
D. None of these
A football is kicked at 45 degrees with horizontal with K.E of E. Its K.E. at highest point is:
A. Zero
B. E/2
C. E
D. E/(2)1/2
The internal energy of the system increases:
A. in adiabatic expansion
B. in adiabatic compression
C. in isothermal expansion
D. in isothermal compression
What is the ratio of the velocity of sound at 4 atmosphere to that at 1 atmosphere:
A. 4 : 1
B. 1 : 1
C. 2 : 1
D. 1 : 2
