NSO Level 1- Science Olympiad (SOF) Class 8: Questions 1093 - 1097 of 1175

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Question 1093

Question

MCQ▾

________ motion in the state of rest or of uniform motion in a straight line unless compelled to change that state by an applied unbalanced force.

Choices

Choice (4)Response

a.

Newton third law

b.

Newton second law

c.

Newton first law

d.

Conservation of momentum

Question 1094

Question

MCQ▾

________is caused by the irregularities on the two surfaces in contact.

Choices

Choice (4)Response

a.

Friction

b.

Momentum

c.

Inertia

d.

Force

Question 1095

Question

MCQ▾

The diver jumping from springboard to water what happens now?

Diver Jumping from Springboard to Water

Choices

Choice (4)Response

a.

Decrease moment of inertia and increases angular velocity

b.

Increase angular acceleration and decreases angular velocity

c.

Decreases angular velocity and increases angular acceleration

d.

Increases angular displacement and decreases angular acceleration

Question 1096

Question

MCQ▾

The characters which help to distinguish the male from the female________

Choices

Choice (4)Response

a.

secondary sex characters

b.

primary sex characters

c.

puberty

d.

menstruation

Question 1097

Question

MCQ▾

If the focal length of a concave lens is 2m, then the power of the lens is

Focal Length of a Concave Lens

Choices

Choice (4)Response

a.

1 dioptre

b.

-0.5 dioptre

c.

2 dioptre

d.

0.5 dioptre

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