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प्रश्न
The speed of light in air is:
(a) 3 × 108 cm/s
(b) 3 × 108 mm/s
(c) 3 × 108 km/s
(d) 3 × 108 m/s
उत्तर
The speed of light in air is:
(d) 3 × 108 m/s
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संबंधित प्रश्न
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(a) P
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|
Media |
Refractive index |
|
A |
1.33 |
|
B |
1.44 |
|
C |
1.52 |
|
D |
1.65 |
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