EASY

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When white light passes through the prism, colour which deviates the least is:

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Important Questions on Light

EASY

Science>Physics>Light>Sunlight - White or Coloured

The refraction of light by a prism is shown in the following figure. Then $∠ D$ is:

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EASY

Science>Physics>Light>Sunlight - White or Coloured

According to wave theory the reason for different colours of light is

MEDIUM

Science>Physics>Light>Sunlight - White or Coloured

A student traces the path of a ray of light through a glass prism as shown in the diagram, but leaves it incomplete and unlabelled. Redraw and complete the diagram. Also, label on it $∠ i, ∠ e, ∠ r$ and $∠ D$ .

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MEDIUM

Science>Physics>Light>Sunlight - White or Coloured

While performing an experiment of dispersion of white light through a prism, four students represented the dispersion pattern as shown below. Identify the correct representation:

MEDIUM

Science>Physics>Light>Sunlight - White or Coloured

Which is the following colourful patterns is due to diffraction of light?

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Science>Physics>Light>Sunlight - White or Coloured

The danger signals installed at the top of tall buildings are red. These can be easily seen from a distance because among all other colours, the red light

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Science>Physics>Light>Sunlight - White or Coloured

Differentiate between a glass slab and a glass prism.

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Science>Physics>Light>Sunlight - White or Coloured

Two plane mirrors P & Q are kept at ? with respect to each other. Light falls on P is reflected and then fall on Q and is reflected. The emergent ray is opposite to the direction of incident ray. The ? is equal to :

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Science>Physics>Light>Sunlight - White or Coloured

Formation of rainbow involves

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Science>Physics>Light>Sunlight - White or Coloured

A mixture of red, yellow and violet light is incident on one face of a prism, at an angle of incidence of

50 °

. The angle of emergence of the red beam from the other face is

58.56 °

. If the angular dispersion of the emerging beam is

4.62 °

, then

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Science>Physics>Light>Sunlight - White or Coloured

How many times does a ray bend on passing through a prism?

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Science>Physics>Light>Sunlight - White or Coloured

In which colour have maximum dispersion

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Science>Physics>Light>Sunlight - White or Coloured

When white light is incident on a blue pigment, which colours are reflected?

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Science>Physics>Light>Sunlight - White or Coloured

The separation of a beam of light into its constituent wavelengths is called

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Science>Physics>Light>Sunlight - White or Coloured

The coloured substances which are used as a paint are known as pigments. In order to obtain various pigments, the subtractive method is used for mixing the pigments. Which of the following colour is not absorbed by yellow and blue pigments?

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Science>Physics>Light>Sunlight - White or Coloured

If we mix lights of the colours of the rainbow, we will get

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Science>Physics>Light>Sunlight - White or Coloured

If you keep red coloured marbles in a blue coloured vase made of glass then the colour of red coloured marbles will appear

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Science>Physics>Light>Sunlight - White or Coloured

By which optical phenomenon, the splitting of white light into seven constituent colours occur?

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Science>Physics>Light>Sunlight - White or Coloured

When all the colours of sunlight are reflected back from an object, the object will appear as: