UnlockX Scholarship Test — India’s most honest scholarship test. Register now.
⚛️
Chapter 3

Motion in a Plane

PhysicsClass 11CBSE

11 Questions Available

Showing 11 questions on this page

1

A hunter aims his gun and fires a bullet directly at a monkey in a tree. At the instant the bullet leaves the barrel of the gun, the monkey drops. Will the bullet hit the monkey. Substantiate your answer with proper reasoning. 

149 views0 helpful
2

A fighter plane flying horizontally at an altitude of 1.5 km with speed of 720 km/h passes directly overhead an anticraft gun. At what angle from the vertical should the gun be fixed for the shell with muzzle speed 400 m/s to hit the plane? 

135 views0 helpful
3

The speed of a projectile when it is at its greatest height is √(2/5) times its speed at half the maximum height. What is its angle of projection?

130 views0 helpful
4

From the top of a tower 156.8 m high a projectile is thrown up with a velocity of 39.2 ms–1, making an angle 30° with horizontal direction. Find the distance from the foot of tower where it strikes the ground and the time taken by it to do so.

123 views0 helpful
5

In long jump, does it matter how high you jump? What factors determine the span of the jump? 

119 views0 helpful
6

A ball of mass m is thrown vertically up. Another ball of mass 2 m is thrown at an angle with the vertical. Both of them stay in air for the same period of time. What is the ratio of the height attained by the two balls. 

118 views0 helpful
7

A skilled gunman always keeps his gun slightly tilted above the line of sight while shooting. Why?

115 views0 helpful
8

The maximum height attained by a projectile is increased by 10% by increasing its speed of projection, without changing the angle of projection. What will the percentage increase in the horizontal range?

106 views0 helpful
9

A body is projected with the velocity from the point A as shown figure. At the same time another boty is projected vertically upwards with the velocity from the point B. What should be the value of for both the bodies to collide?

104 views0 helpful
10

Two bodies were thrown simultaneously from the same point, one straight up and the other at an angle θ = 60° to the horizontal. The initial velocity of each body is u = 30 m/s. Neglecting air resistance, find the distance between the bodies after 2 seconds.

103 views0 helpful
11

A boy stands at 78.4 m from a building and throws a ball which just enters a window 39.2 m above the ground. Calculate the velocity of projection of the ball. 

97 views0 helpful
Motion in a Plane - Physics Class 11 | Shiksha Nation