Bihar Polytechnic VVI - Question 

Bihar Polytechnic VVI - Question 

Image is formed by a plane mirror. A. Real B. maginary C. BOTH A AND B D. none of these Ans : B

Bihar Polytechnic VVI - Question 

Bihar Polytechnic VVI - Question 

Mirrors are used in the headlight of the car. A. concave mirror B. convex mirror C. plane mirror D. none of these Ans : A

Bihar Polytechnic VVI - Question 

Bihar Polytechnic VVI - Question 

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A mirror is installed in front of the driver of the car. A. concave mirror B. convex mirror C. plane mirror D. concave lens Ans : B

Bihar Polytechnic VVI - Question 

Bihar Polytechnic VVI - Question 

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A Ray of light travels. A. in a straight line B. in a straight line C. in any direction D. none of these Ans : A

Bihar Polytechnic VVI - Question 

Bihar Polytechnic VVI - Question 

The speed of light is minimum. A. in water B. in a vacuum C. in the air D. in the glass Ans :D

Bihar Polytechnic VVI - Question 

Bihar Polytechnic VVI - Question 

A group of rays of light is called. A. light source B. illuminated C. beam beam D. scatter Ans : C

Bihar Polytechnic VVI - Question 

Bihar Polytechnic VVI - Question 

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When a ray of light enters through glass from air, it is bent. A. far from normal B. near the normal C. parallel to the normal D. none of these Ans : B

Bihar Polytechnic VVI - Question 

Bihar Polytechnic VVI - Question 

The objective of a mirror or lens in a photography camera is. A. concave lens B. convex lens C. concave mirror D. convex mirror Ans : B