Geometrical OpticsHard
Question
The length of a telescope is 36 cm. The focal lengths of its lenses can be -
Options
A.The length of a telescope is 36 cm. The focal lengths of its lenses can be -
B.- 30 cm, -6 cm
C.30 cm, -6 cm
D.- 30 cm, 6 cm
More Geometrical Optics Questions
Look at the ray diagram show, what will be the focal length of the 1st and the 2nd lens. if the incident light ray passe...An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment dista...Optical fibre are based on -...A point source of light is place 4 m below the surface of water of refractive index 5/3. The minimum diameter of a disc ...A bird is flying with a velocity v between two long vertical plane mirrors making an angles θ with mirror M1 as sho...