The unit of coefficient of linear expansion or volume expansion is:
A. K
B. K-1
C. K -2
D. none
Which one of the following is massless:
A. Proton
B. Electron
C. Neutron
D. Photon
The first book of Physics was written by:
A. Kelvin
B. Newton
C. Aristotle
D. Faraday
Study of living science relates with:
A. Physical science
B. Biological science
C. Just living science
D. Organ science
What is the shape of velocity, time graph for constant acceleration:
A. straight inclined line.
B. parabola
C. inclined curve
D. declined curve
Which of the following pair has same direction always:
A. force, displacement
B. force, velocity
C. force, acceleration
D. force, momentum
The dimension of force is:
A. MLT-2
B. ML2T-2
C. ML2T2
D. ML-2T-2
3rd law of motion explains:
A. effect of force
B. existence of a force
C. existence of two forces
D. existence of pair of forces in nature
1st law of motion gives the definition of:
A. inertia
B. motion
C. velocity
D. force
Inertia of an object is quantitative measure of its:
A. volume
B. density
C. mass
D. temperature