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प्रश्न
Which phenomenon of light makes the water to appear shallower than it really is?
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उत्तर
Refraction of light causes the water to appear shallower than it really is.
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संबंधित प्रश्न
What is meant by 'reflection of light'?
Define the following terms used in the study of reflection of light by drawing a labelled ray-diagram:
(a) Incident ray
(b) Point of incidence
(c) Normal
(d) Reflected ray
(e) Angle of incidence
(f) Angle of reflection
A man sits in an optician's chair looking into plane mirror which is 2 m away from him and views the image of a chart which faces the mirror and is 50 cm behind his head. How far away from his eyes does the chart appear to be?
Name the phenomenon due to which a swimming pool appears less deep than it really is.
State whether the following statement is true or false:
Refraction occurs because light slows down in denser materials.
Fill in the following blank with suitable word:
Light travelling along a normal is ...............refracted.
What is meant by 'refraction of light'? Draw a labelled ray diagram to show the refraction of light.
With the help of a labelled diagram, explain why a tank full of water appears less deep than it actually is.
Explain with the help of a labelled ray diagram, why a pencil partly immersed in water appears to be bent at the water surface. State whether the bending of pencil will increase or decrease if water is replaced by another liquid which is optically more dense than water. Give reason for your answer.
How does the light have to enter the glass:
to produce a large amount of bending?
The laws of reflection hold true for ______.
Identify the wrong figure from the following.
The speed of light varies in different media.
Write scientific reason.
The sun appears on the western horizon for some time after sunset.
Write scientific reason.
A pencil appears to be broken near the surface of water.
Observe the given figure and write appropriate phenomenon of light in the box.
The refractive index of a transparent medium is always greater than ______.
The angle of incidence from air to glass at the point O on the hemispherical glass slab is.
Which surface will not reflect most of the light falling on them?
Twinkling of stars and Mirage are the two phenomena occurring due to refraction.
