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The value of angle r in figure below is...

The value of angle r in figure below is

A

`r=sin^-1 (1/2)`

B

`r=sin^-1 (sqrt3/2)`

C

`r=sin^-1 (8/15)`

D

`r=sin^-1 (4/15)`

Text Solution

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-Mock Test 36-Example
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  9. A far sighted person cannot see object clearly al a distance less than...

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  10. Select the correct option

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  11. In order to increase the magnifying power of a telescope

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  12. Identify the correct description of the below figure

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  15. The value of angle r in figure below is

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  16. Huygen's wave theory explain the phenomena of

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  17. Huygen's principle allows us to determine,

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  18. According to Huygen's principle

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  19. How is a wavefront related to the direction of corresponding rays ?

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  20. When source is linear, the wavefront is

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