Fill in the blank.
The deviation angle first with increasing incidence angle, and then it .

decreases, increasses

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increases, decreases

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increases, increases

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decreases, decreases

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Solution

The correct option is A decreases, increasses
See the graph of Deviation angle-

Here firstly the deviation angle is decreasing then increasing.

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Similar questions

Q. Consider the following statements A and B and identify the correct choice
A) For a given value of angle of incidence, the angle of deviation produced by a prism increases with increasing of refractive index of the prism
B) Angle of deviation produced by a thin prism is independent of angle of incidence

(a) How does the angle of deviation produced by a prism change with an increase in the angle of incidence? Draw a curve showing the variation in the angle of deviation with the angle of incidence at a prism surface.

(b) Using the curve in part (a) above, how do you infer that for a given prism, the angle of minimum deviation $δ_{m i n}$ is unique for the given light.

As the angle between two plane mirrors is decreased gradually, the number of images of an object placed between them:

(a) increases gradually

(b) decreases gradually

(d) first decreases then increases

Q. Dispersive power of a prism decreases with the increase in prism angle.

Q. The angle of deviation decreases with increase in the angle of prism.

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Fill in the blank.The deviation angle first ______ with increasing incidence angle, and then it ______.

The correct option is A decreases, increassesSee the graph of Deviation angle-Here firstly the deviation angle is decreasing then increasing.

Fill in the blank.
The deviation angle first with increasing incidence angle, and then it .

The correct option is A decreases, increasses
See the graph of Deviation angle-

Here firstly the deviation angle is decreasing then increasing.