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प्रश्न
Dull materials reflect light.
पर्याय
True
False
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उत्तर
Dull materials reflect light- False.
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संबंधित प्रश्न
How is the position of image formed by a plane mirror related to the position of the object ?
State two uses of a plane mirror.
What do you understand by the Light?
Identify the following kind of beam of light.
The angle between an incident ray and the mirror is 350.
(i) What is the angle of incidence?
(ii) What is the angle of reflection?
(iii) What is the total angle turned by the ray of light?
(iv) What is the angle between the incident and the reflected rays?
Light that hits a mirror gets ______.
Which material is transparent?
What is Translucent objects? Give an example.
A burning candle in water
Take a shoe box, open on one side. Place a small lighted candle in it. Place a clear glass sheet (roughly 25 cm × 25 cm) in front of this candle figure. Try to locate the image of the candle behind the glass sheet. Place a glass of water at its position. Ask your friends to look at the image of the candle through the sheet of glass. Ensure that candle is not visible to your friends. Your friends will be surprised to see the candle burning in water. Try to explain the reason.
