Q. 31 C3.8( 10 Votes )
An object is 24 cm away from a concave mirror and its image is 16 cm from the mirror. Find the focus and radius of curvature of the mirror.
we know that
Rate this question :
List the new Cartesian sign convention for reflection of light by spherical mirrors. Draw a diagram and apply these conventions for calculating the focal length and nature of a spherical mirror which forms 1/3 times magnified virtual image of an object placed 18 cm if front of it.All In One Science
List the sign conventions for reflection of light by spherical mirror. Draw a diagram and apply these conventions in the determination of focal length of a spherical mirror which forms three times magnified real image of an object placed. 16 cm in front of it.All In One Science
Draw a diagram to show how a converging lens held close to the eye acts as a magnifying glass. Why is it usual to choose a lens of short focal length for this purpose rather than one of long focal length?Lakhmir Singh & Manjit Kaur - Physics
State and explain the New Cartesian Sign Convention for spherical lenses.Lakhmir Singh & Manjit Kaur - Physics
What type of lens is shown in the diagram on the right ? What will happen to the parallel rays of light? Show by completing the ray diagram.Lakhmir Singh & Manjit Kaur - Physics
Your eye contains a convex lens. Why is it unwise to look at the sun?
Lakhmir Singh & Manjit Kaur - Physics