1 |
Angle of incidence is equal to he angle of reflection ,It is first law of. |
- A. Refraction
- B. Dispersion
- C. Reflection
- D. Diffraction
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2 |
Which type of image is formed in Plane Mirror. |
- A. Real
- B. Real and virtual
- C. Virtual
- D. None of these
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3 |
Speed of light through water is about. |
- A. 300000 km/s
- B. 250000 km/s
- C. 225000 km /s
- D. 200000 km/s
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4 |
Speed of light is denoted by. |
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5 |
Speed of light through glass is about. |
- A. 300000 km /s
- B. 250000 km/s
- C. 225000 km /s
- D. 200000 km/s
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6 |
There are ......... types of reflection |
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7 |
Through which of the following the light travels the fastest. |
- A. Prism
- B. Water
- C. Air
- D. Vacuum
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8 |
Which of the following type of mirror can form an image larger than the object. |
- A. Plane
- B. Convex
- C. Concave
- D. All of these
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9 |
What is the colour of an object that absorb all the light that hits it. |
- A. Black
- B. Green
- C. White
- D. Red
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10 |
In a convex mirror, focus is. |
- A. Under the mirror
- B. In front of the mirror
- C. On the mirror
- D. Behind the mirror
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