STATE_KERALA Class 10 physics Question Paper 2025

Practice authentic previous year questions for better exam preparation.

Sample Questions

The midpoint of a lens is called $\_\_\_\_$ . (Centre of curvature, Optic centre, Principal focus, Aperture)
Power of lens is -0.5 D . What is the relation between the power of a lens and its focal length ? Calculate the focal length of this lens.
Observe the following diagram regarding the image formation in the eye. fig - 1 fig - 2 Identify the diagram that shows long-sightedness (hypermetropia). Justify your answer Answer any four questions. Each question carries 4 scores.
If three images are formed when an object is placed between the reflecting surfaces of two plane mirrors, the angle between the mirrors will be $\_\_\_\_$ . $\left(30^{\circ}, 45^{\circ}, 60^{\circ}, 90^{\circ}\right)$
Which of the following statements correctly describes the working of a loudspeaker ?