Physics Past Questions and Answers

Calculate the refractive index of the material of the glass block shown in the diagram if YZ = 4cm

An image which can be formed on a screen is said to be

Which of the following are true of plane-polarised right? i. Plane polarisation of light is the formation of hydrogen bubbles on the particle of light. ii. Plane components. iii. A plane polarised light vibrates in one plane. iv. Polarisation of light is characteristic of transverse vibration

At which of the following distances from the lens should a slide be placed on a slide projector if f is the focal length of the projector length?

what part of the camera corresponds to the iris of the eye?