Sushweta has to send a laser signal to Garima. But she finds out that the signal misses Garima by $4^{0}$ . She asks Himanshu to rotate the mirror.

By what angle should Himanshu rotate the mirror so that the signal reaches to Garima?

2⁰ in clockwise direction

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4⁰ in anti – clockwise direction

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4⁰ in clockwise direction

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2⁰ in anti – clockwise direction

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Solution

The correct option is D
2⁰ in anti – clockwise direction

From the figure, it is clear that if you rotate mirror by $1^{0}$ , the light ray will rotate by $2^{0}$ . Hence, we need to rotate mirror by $2^{0}$ in anti – clockwise direction.

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Similar questions

Sushweta has to send a laser signal to Garima. But she finds out that the signal misses Garima by $4^{0}$ . She asks Himanshu to rotate the mirror.

By what angle should Himanshu rotate the mirror so that the signal reaches to Garima?

Sushweta has to send a laser signal to Garima. But she finds out that the signal misses Garima by $4^{0}$ . She asks Himanshu to rotate the mirror.

By what angle should Himanshu rotate the mirror so that the signal reaches to Garima? (Himanshu is standing in front of Sushweta and Garima and both of them are on the right and left side of Himanshu respectively )

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By what angle should Himanshu rotate the mirror so that the signal reaches Aman?

Sushweta has to send a laser signal to Garima. But she finds out that the signal misses Garima by $4^{0}$ . Suppose the angle of incidence is $X^{0}$ . Then angle between Shweta and Garima in terms of $X^{0}$ can be represented as:

Q. If the reflected ray is rotated by an angle of 4 in clockwise direction then the mirror was rotated by (a) 2θ in anti-clockwise direction (b) 4θ in anti-clockwise direction (c) 2θ in clockwise direction (d) 4θ in clockwise direction

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Sushweta has to send a laser signal to Garima. But she finds out that the signal misses Garima by 40. She asks Himanshu to rotate the mirror. By what angle should Himanshu rotate the mirror so that the signal reaches to Garima?

The correct option is D 20 in anti – clockwise direction From the figure, it is clear that if you rotate mirror by 10, the light ray will rotate by 20. Hence, we need to rotate mirror by 20 in anti – clockwise direction.

Sushweta has to send a laser signal to Garima. But she finds out that the signal misses Garima by $4^{0}$ . She asks Himanshu to rotate the mirror.

By what angle should Himanshu rotate the mirror so that the signal reaches to Garima?

The correct option is D
2⁰ in anti – clockwise direction

From the figure, it is clear that if you rotate mirror by $1^{0}$ , the light ray will rotate by $2^{0}$ . Hence, we need to rotate mirror by $2^{0}$ in anti – clockwise direction.