At which angle the range of the projectile is maximum____________________?
A. 45
B. 60
C. 30
D. none
Physics Mcqs
Flight of a rocket in the space is an example of______________________?
Flight of a rocket in the space is an example of______________________?
A. second law of motion
B. third law of motion
C. first law of motion
D. law of gravitation
Distance covered by a freely falling body in 2 seconds will be__________________?
Distance covered by a freely falling body in 2 seconds will be__________________?
A. 4.9 m
B. 19.6 m
C. 39.2 m
D. 44.1 m
What is the angle of projection for which the range and maximum height become equal ?
What is the angle of projection for which the range and maximum height become equal ?
A. tan-1 ¼
B. tan-1 4
C. tan-1 ½
D. tan-1 2
Taking off rocket can be explained by __________________?
Taking off rocket can be explained by __________________?
A. 1st law of motion
B. 2nd law of motion
C. Law of conservation of momentum
D. law of conservation of energy
Which shows the correct relation between time of flight T and maximum height H ?
Which shows the correct relation between time of flight T and maximum height H ?
A. H=gT2/8
B. H=8T2/g
C. H=8g/T2
D. H=gT2
What is the shape of velocity, time graph for constant acceleration ?
What is the shape of velocity, time graph for constant acceleration ?
A. straight inclined line.
B. parabola
C. inclined curve
D. declined curve
When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?
When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?
A. Centripetal force
B. Gravitational force
C. Their inertia
D. Centrifugal force
The collision between two bodies be elastic if bodies are_________________?
The collision between two bodies be elastic if bodies are_________________?
A. solid and soft
B. soft and elastic
C. solid and hard
D. hard and elastic
Which of the following pair has same direction always ?
Which of the following pair has same direction always ?
A. force, displacement
B. force, velocity
C. force, acceleration
D. force, momentum