Kinematics (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics): Questions 1 - 3 of 24

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Question number: 1

» Kinematics » Uniform and Non-Uniform Motion

Appeared in Year: 2011

MCQ▾

Question

A juggler tosses a ball up in the air with initial speed u. At the instant it reaches its maximum height H, he tosses up a second ball with the same initial speed. The two balls will collide at a height.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2

» Kinematics » Relative Velocity

Appeared in Year: 2011

MCQ▾

Question

A girl standing at point P on a beach wishes to reach a point Q in the sea as quickly as possible. She can run at 6 km h –1 on the beach and swim at 4 km h –1 in the sea. She should take the path,

Four different paths from P to Q

Four Different Paths From P to Q

Figure shows four different paths for reaching P to Q.

Choices

Choice (4) Response

a.

PCQ

b.

PDQ

c.

PAQ

d.

PBQ

Question number: 3

» Kinematics » Velocity-Time Graphs

Appeared in Year: 2013

MCQ▾

Question

A ball is thrown horizontally from a height with a certain initial velocity at time t = 0. The ball bounces repeatedly from the ground with the coefficient of restitution less than 1 as shown.

A ball is thrown horizontally

A Ball Is Thrown Horizontally

In figure a ball is thrown horizontally from a height with a certain initial velocity at time t = 0 is shown.

Neglect air resistance and taking the upward direction as positive, which figure qualitatively depicts the vertical component of the balls velocity (VY) as a function of time (t)?

Choices

Choice (4) Response

a.

Graph of component of velocity Vy ⟶ time t (choice A)

Graph of Component of Velocity Vy ⟶ Time T (Choice A)

Figure represent plot of component of velocity of ball (Vy) ⟶ time (t)

b.

Graph of component of velocity Vy ⟶ time t (choice B)

Graph of Component of Velocity Vy ⟶ Time T (Choice B)

Figure represent plot of component of velocity of ball (Vy) ⟶ time (t)

c.

Graph of component of velocity Vy ⟶ time t (choice C)

Graph of Component of Velocity Vy ⟶ Time T (Choice C)

Figure represent plot of component of velocity of ball (Vy) ⟶ time (t)

d.

Graph of component of velocity Vy ⟶ time t (choice D)

Graph of Component of Velocity Vy ⟶ Time T (Choice D)

Figure represent plot of component of velocity of ball (Vy) ⟶ time (t)

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