Question

Half Yearly Exam (2020-21)
Class 11.
MM40
All questions are compulsory.
Section A (each carry 1mark).
1. Which of the following is a vector quantity?
a.) Pressure b) current c) impulse d) speed
2. Which of these is not a physical quantity?
a.) Inertia b) momentum c) angel d) amount
of substance
3. When the velocity of a moving object is doubled
a)its momentum is doubled b) its kinetic energy is
doubled c) its acceleration is doubled d)all of the
above
4) Maximum range can be obtained by a projectile
at an angle
a)45. b) 60. C)30. d)90
5) The gravitational force between two bodies does
not depend upon
a) distance between them b) mass of the body
c) medium d) none of these​

Answer 1

Answer:

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Explanation:

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