Get here Class 12 Physics NCERT Textbook Answers of Chapter 9. NCERT Solutions Class 12th Physics includes answers of all the questions of Ray Optics And Optical Instruments provided in NCERT Text Book which is prescribed for class 12 in schools
National Council of Educational Research and Training (NCERT) Book Solutions for class 12th
Chapter: Chapter 9 – Ray Optics And Optical Instruments
NCERT Solutions for Class 12th Physics Chapter 9 – Ray Optics And Optical Instruments
Class 12th Physics Chapter 9 Ray Optics And Optical Instruments NCERT Solution is given below.
A small candle, 2.5 cm in size is placed at 27 cm in front of a concave mirror of radius of curvature 36 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? Describe the nature and size of the image.
If the candle is moved closer to the mirror, how would the screen have to be moved?
Size of the candle, h = 2.5 cm
Image size = h’
Object distance, u = −27 cm
Radius of curvature of the concave mirror, R = −36 cm
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