Shubham has to send a laser signal to Aman. But he finds out that the signal misses Aman by $4^{0}$ . He asks Himanshu to rotate the mirror.

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

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, Himanshu needs 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 )

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. Aman was driving in his car, he suddenly stopped looking at light ‘A’ on the traffic signal. And he left when he saw light ‘B’ on the traffic signal. What colours are shown by lights ‘A’ and ‘B’?

Q. Aman gave

40 %

of the amount he had to Rohan .Rohan in turn gave one-fourth of what he received from Aman to Sahil. After paying Rs.

200

to the taxi driver out of the amount he got from Rohan, Sahil now has Rs.

600

left with him. How much amount will Aman have ?

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Shubham has to send a laser signal to Aman. But he finds out that the signal misses Aman by 40. He asks Himanshu to rotate the mirror. By what angle should Himanshu rotate the mirror so that the signal reaches Aman?

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, Himanshu needs to rotate mirror by 20 in anti – clockwise direction.

Shubham has to send a laser signal to Aman. But he finds out that the signal misses Aman by $4^{0}$ . He asks Himanshu to rotate the mirror.

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

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, Himanshu needs to rotate mirror by $2^{0}$ in anti – clockwise direction.