(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Physics

A movable pulley is used as ______.

Name the material used for making the connection wires. Give a reason for your answer.

Name a material which is used for making the standard resistor. Give a reason for your answer.

Name the material used for making a fuse wire. Give a reason.

Name the material used for filament of an electric bulb.

Name the material used for heating element of a room heater.

Define the term potential energy of a body.

The potential energy of a body is the energy by virtue of its ______.

A body at a height possesses ______.

A converging lens forms the image of an object placed in front of it beyond 2F₂ of the lens. Where is the object placed?

A converging lens forms the image of an object placed in front of it, beyond 2F₂ of the lens. State three characteristics of the image.

A spring is kept compressed by a small trolley of mass 0.5 kg lying on a smooth horizontal surface as shown in the adjacent fig. When the trolley is released, it is found to move at a speed v = 2 m s^-1. What potential energy did the spring possess when compressed?

Draw a ray diagram to show how a converging lens can form a real and enlarged image of an object.

Draw a ray diagram to show how a converging lens can form an image of the sun. Hence give a reason for the term ‘burning glass’ for a converging lens used in this manner.

A lens forms an inverted image of an object. What is the nature of the image real or virtual?

An object is placed at a distance of more than 40 cm from a convex lens of focal length 20 cm. The image formed is real, inverted and ______.

An object is placed at a distance 2f from a convex lens of focal length f. The size of the image formed is ______ that of the object.

An object is placed at a distance 5 cm from a convex lens of focal length 10 cm. The image formed is virtual, upright and _____.

For the object placed between the optical centre and focus of a convex lens, the image is ______.

A body falls freely under gravity from rest. Name the kind of energy it will possess at the point from where it falls.