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प्रश्न
Name the phenomenon responsible for the following effect:
When we sit in front of a plane mirror and write with our right hand, it appears in the mirror that we are writing with the left hand.
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उत्तर
Lateral inversion
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संबंधित प्रश्न
State whether the following statement is true of false:
A student says that we can see an object because light from our eyes is reflected back by the object.
A ray of light strikes a plane mirror such that its angle of incidence is 30°. What angle does the reflected ray make with the mirror surface?
State and explain the laws of reflection of light at a plane surface (like a plane mirror), With the help of a labelled ray-diagram. Mark the angles of 'incidence' and 'reflection' clearly on the diagram. If the angle of reflection is 47.5°, what will be the angle of incidence?
Why does a ray of light bend when it travels from one medium to another?
The depth of a pond when seen from above appears to be less.
Light travels at a lower speed in water than in air.
Water is optically .......... than air.
Air is optically .......... than glass.
When a ray of light travels from water to air, it bends ............. the normal.
Explain how the formation of a rainbow occurs.
Lights of different colours are used as signal for safety transport. From these, the wavelength of red light is _______ nm.
The speed of light varies in different media.
Write scientific reason.
The sun appears on the western horizon for some time after sunset.
State whether true or false. If false, correct the statement.
The angle of deviation depends on the refractive index of the glass.
The refractive index of a transparent medium is always greater than ______.
When light passes from one medium to another the ray gets bent. This property of light is called ______.
Light is refracted or bent while going from one medium to another because of its ______ changes.
Twinkling of stars and Mirage are the two phenomena occurring due to refraction.
Which is optically denser out of the two medium M1& M2 having the refractive indices = 1.71 and 1.36 respectively?
The part of light that enters into the other medium and travels in a straight path but in a direction different from its initial direction is called:
