NCERT CLASS 10 SCIENCE PAGE 160 ONE LINERS -

NCERT CLASS 10 SCIENCE PAGE 160 ONE LINERS

NCERT CLASS 10 SCIENCE PAGE 161 ONE LINERS

NCERT CLASS 10 SCIENCE PAGE 160 ONE LINERS

Question: 1 What makes things visible ?

Answer: light

Question: 2 which wonderful phenomena associated with light ?

Answer: image formation by Mirrors.

Question: 3 The light seems to travel in in ?

Answer: straight line

Question: 4 The fact that a small source of light casts a sharp shadow of an opaque object. Is this true ?

Answer: Yes , true.

Question: 5 Light often behaves somewhat like a?

Answer:- steam of particles.

Question: 6 Why we are able to see a things through a transparent medium?

Answer:- because of light.

Question: 7 Light has a tendency to bend around it and not walk in a straight line an effect know as?

Answer: Different of light.

Question: 8 Which phenomena enable us to see a thing?

Answer: Reflaction of light.

Question: 9 If an opaque object on the path of the light become very small, light has a _ _ _ _ _ to bend around it and not walk in a straight line?

Answer- tendency.

Question: 10 During the day _ _ _ _ help us to see the object?

Answer: Sunlight.

Question: 11 Which type of surface reflect the light?

Answer- highly polished surface.

Question: 12 What is Ray of light?

Answer- straight line path of light.

Question: 13 Assertion = on lighting up the room things become visible
Reason = because of light.

Answer- (A) A and R both are true and R is correct expla-nation of A.

Question: 14 We are able to see Through a _ _ _ as light is transmitted through it ?

Answer – transparent medium.

Question: 15 When was the wave theory of light often?

Answer- 20th century.

Question: 16 Which theory indicates the light emerged in which light is neither a ‘wave’ or ‘particle’ properties of light with the wave nature

Answer- wave theory of light.

Question: 17 Is the twinkling of stars is common wonderful phenomena associated with light?

Answer- yes.

Question: 18 A wave theory of light often becomes inadequate for treatment of the interaction of light with _ _ _ _ ?

Answer- Matter.

Question: 19 The angle of incidence is equal to the angle of?

Answer- Reflaction.

Question: 20 Is angle of incidence is equal to the angle of reflaction?

Answer- yes.

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