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STATEMENT-1: When a prism of p = 3/2 is ...

STATEMENT-1: When a prism of p = 3/2 is immersed in water (`mu` = 4/3),. deviation through the prism becomes 1 /4 th of the deviation, when the prism is in air
STATEMENT-2: It follows from `1/f=[1/R_1-1/R_2]`

A

STATEMENT-1 is True, STATEMENT-2 is True, STATEMENT-2 is a correct explanation for STATEMENT-1

B

-STATEMENT-1 is True, STATEMENT-2 is True, STATEMENT-2 is NOT a correct explanation for STATEMENT-1

C

STATEMENT -1 is True, STATEMENT-2 is False

D

STATEMENT -1 is False, STATEMENT-2 is True

Text Solution

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The correct Answer is:
A
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An equilateral glass prism (mu - 1.6) is immersed in water (mu = 1.33) . Calculate the angle of deviation produced for a ray of light incident at 40^@ on one face of the prism.

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Knowledge Check

  • Statement-1 : When a prism of mu = 3//2 is immersed in water (mu = 4//3) , deviation through the prism becomes 1//4th of the deviation, when the prism is in air. Statement-2 : It follows from delta = (mu - 1)A

    A
    Statement-1 is true, Statement-2 is true.
    Statement-2 is correct explanation of Statement-1.
    B
    Statement-1 is true, Statement-2 is true, but Statement-2 is not a correct explanation of Statement-1.
    C
    Statement-1 is true, Statement-2 is false.
    D
    Statement-1 is fasle, Statement-2 is true.

  • A thin glass prism of mu = 1.5 is immersed in water of mu =1.33 . The ratio of deviation of the ray in water to that in air for the same prism is

    A
    `1:4`
    B
    `1:2`
    C
    `1: 8`
    D
    `1: 3`

  • STATEMENT- 1 When a glass prism is Immesed in water ,the deviation caused by prism decreases. STATEMENT 2 Refractive index of glass prism relative to water is less than relative to air.

    A
    STATEMENT -`1`is true statement `2` is true,Statement -`2`is a correct explanation for statement -`1`
    B
    STATEMENT -`1`is true statement `2` is true,Statement -`2`is a not a correct explanation for statement -`1`
    C
    Statement -`1`is true,Statement -`2`is False
    D
    Statement -`1`is False ,Statement -`2`is True

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