Home
Class 12
PHYSICS
A man is 180 cm tall and his eyes are 10...

A man is 180 cm tall and his eyes are 10 cm below the top of his head. In order to see his entire height right from tow to head, he uses a plane mirror kept at a distance of 1 m from him. The minimum height of the plane mirror required is

A

180 cm

B

90 cm

C

85 cm

D

170 cm

Text Solution

Verified by Experts

The correct Answer is:
B
(b) According to ray diagram shown In figure

Length of mirror=`(1)/(2)`(10+170)=90 cm
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS

    DC PANDEY ENGLISH|Exercise Checkpoint 9.2|10 Videos

  • RAY OPTICS

    DC PANDEY ENGLISH|Exercise Checkpoint 9.3|20 Videos

  • RAY OPTICS

    DC PANDEY ENGLISH|Exercise Medical entrance gallary|76 Videos

  • NUCLEI

    DC PANDEY ENGLISH|Exercise C MADICAL ENTRANCES GALLERY|46 Videos

  • REFLECTION OF LIGHT

    DC PANDEY ENGLISH|Exercise Subjective|9 Videos

Similar Questions

Explore conceptually related problems

A man of height 6 ft wants to see his full image in a plane mirror. The minimum length of the plane mirror required

A man standing in front of a plane mirror finds his image to be at a distance of 6 metre from himself. The distance of man from the mirror is :

A man standing in front of a plane mirror finds his image at a distance 6 metre from himself. What is the distance of man from the mirror?

A man standing in front of a plane mirror finds his image at a distance 6 metre from himself. What is the distance of man from the mirror?

A man is standing at distance x from a plane mirror in front of him. He wants to see the entire wall in mirror which is at distance. y behind the man. Find the minimum size of the mirror required.

A man is 6 ft tall In order to see his entire image, he requires a plane mirror of minimum length equal to (a) 6 ft (b) 12 ft (c) 2 ft (d) 3ft

A candle 4.85 cm tall is 39.2 cm to the left of a plane mirror .Where does the mirror from the image, and what is the height of this image ?

A man carries a load of 5 kg on his head through a distance of 10 m. the minimum amount of work is done when he

A person 1.6 m tall is standing at the center between two walls three meter high. What is the minimum size of a plane mirror fixed on the wall in front of him, if he is to see the full height of the wall behind him?

An optician while testing the eyes of a patient keeps a charge of letters 3 m behind the patient and asks him to see the letters on the image of chart formed in plane mirror kept at distance 2 m in front of him. At what distance is the chart seen by the patient?