Light Objective Assessment

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Q 1

• MW
• MS
• SW
• MW-WS

Q 2. The mirror used as rear-view mirrors in vehicles

• convex mirror
• plane mirror
• cylindrical mirror
• concave mirror

Q 3. The image which is formed behind the mirror is

• real image
• blue image
• virtual image
• partial image

Q4.

• 30
• 60
• 45
• 90

Q 5. Light is

• Transverse wave
• longitudinal wave
• mechanical wave
• both longitudinal and transverse

Q 6. A real image is formed when two or more

• reflected rays meet
• refracted rays meet
• reflected rays appear to meet
• Both a and b option are correct

Q 7.

• At the principal focus of the lens
• At twice the focal length
• at infinity
• Between the optical center and the focus

Q 8.

• 45, 40
• 55, 55
• 60,60
• 30,30

Q 9.
When object moves closer to a concave lens the image will shift ?

• first towards and then away from the lens

• away from the lens on the other side of lens

• away from the lens on the same side of object

• towards the lens