Q1) Choose the correct answer for the following questions
1) Newton's which Law of motion is called law of Inertia
a) First low b) Second law c) Third low d) None of these
2) Momentum
*) my b) mgh c) mass X velocity d) mass speed
3) What is Atomic number
a) Number of proton
b) Number of neutron
c) Number of electron
d) Number of proton electron
4) Which quantity of the following do not have direction
a) Velocity b) Acceleration c) Speed d) Displacement
5) Which of the following is simple radical
a) NH.
b) CIO, e) Br-
d) NO, -
6) Which of the following is an Acid
a) NOI b) KOH c) NH d) HCI
7) Which of the following element show variable valency
b) An
c) Fe
d) Ag
8) Force
a) iny b) ma c) weight X acceleration d) mass Xaco
9) Action and reaction
a) are equal in magnitude and have the same direction.
b) cancel each other
c) are equal in magnitude and opposite in direction
d) are unequal in magnitude and have different directions
10) The potential energy of your body is least when you are
a) sitting on a chair
b) sitting on ground
c) sleeping on the ground. d) standing on the ground
11) The total energy of an object falling freely towards the ground
a) decrease b) remains unchanged
c) increases d) increases in the beginning and then decreases
12) The work done on the object does not depend on
a) displacement b) applied force c) Initial velocity of object
d) the angle between force and displacement
13) work done is
a) always positive b) always negative c) can be positive, nega
d) can never be zero
14) The SI unit of work is
a) Joule
b) erg
c) dyne d) kilogram
15) The CGS unit of energy is
a) Joule
b) erg
c) dyne d) Newton
16) The kinetic energy of a body is
a) my
b) my
c) % my
d) 2my
Answers
Answered by
2
Answer:
correct is
1
2
5
9
8
7
10
13
15
11
Explanation:
thank you
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Answered by
1
Explanation:
right answer is
1
2
5
9
8
7
10
13
15
11
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