Torque acting on a body determines:
A. Acceleration
B. Linear acceleration
C. Angular acceleration
D. Direction of motion of the body
SI unit of torque is:
A. Nm
B. joule
C. Both a and b are correct
D. Neither a nor b is correct
The dimension of torque is:
A. [ML2T-2]
B. [MLT-2]
C. [ML2T]
D. [ML-2T-2]
An angle between two vectors A and B can be determined by:
A. Their dot product
B. Their cross product
C. Head to tail rule
D. Right-hand rule
Null vector is a vector which has:
A. Zero magnitude
B. No specified direction
C. Both A and B are correct
D. Both A and B are not correct
Electrons:
A. Can exist inside the nucleus
B. Cannot exist inside the nucleus
C. Can exist both inside and outside the nucleus
D. Do not know
Which one of the following radiation possesses maximum penetrating power:
A. X-rays
B. B-rays
C. γ-rays
D. All have the equal penetrating powe
Neutron and proton are commonly known as:
A. Nucleon
B. Meson
C. Boson
D. Quartz
Antimatter consists of:
A. Antiproton
B. Antineutron
C. Positron
D. All of above
For chain reaction to build up the size of the radioactive target should be:
A. Greater than the critical size
B. Less than the critical size
C. Equal to the critical size
D. All of above can build up a change reaction
