Related Questions to study

Grade-7
Physics

A lens can only form a virtual, upright, and diminished images irrespective of the distance between the lens and the object. It is a ____ lens.

A lens can only form a virtual, upright, and diminished images irrespective of the distance between the lens and the object. It is a ____ lens.

PhysicsGrade-7
Grade-7
Physics

A concave lens forms a virtual, upright, and diminished image of an object ____.

A concave lens forms a virtual, upright, and diminished image of an object ____.

PhysicsGrade-7
Grade-7
Physics

The lens of a pair of spectacles used by a person is thinner in the middle and thicker towards the edges. The lens used in the spectacles is ____.

The lens of a pair of spectacles used by a person is thinner in the middle and thicker towards the edges. The lens used in the spectacles is ____.

PhysicsGrade-7
parallel
Grade-7
Physics

What kind of images does a convex lens not form?

What kind of images does a convex lens not form?

PhysicsGrade-7
Grade-7
Physics

A lens always forms a virtual, upright, and diminished image of an object placed in front of it. It is a ____ lens.

A lens always forms a virtual, upright, and diminished image of an object placed in front of it. It is a ____ lens.

PhysicsGrade-7
Grade-7
Physics

A light ray bends ____ on emerging from a ____.

A light ray bends ____ on emerging from a ____.

PhysicsGrade-7
parallel
Grade-7
Physics

Which of the given lenses can be used to light a fire?

Which of the given lenses can be used to light a fire?

PhysicsGrade-7
Grade-7
Physics

Which lens is used in a magnifying glass?

Which lens is used in a magnifying glass?

PhysicsGrade-7
Grade-7
Physics

When an object is moved too close to a convex lens, it forms a _____ image of that object.

When an object is moved too close to a convex lens, it forms a _____ image of that object.

PhysicsGrade-7
parallel
Grade-7
Physics

Except for normal incidence, the incident ray is ____ parallel to the corresponding emergent ray in case of refraction through a spherical lens.

Except for normal incidence, the incident ray is ____ parallel to the corresponding emergent ray in case of refraction through a spherical lens.

PhysicsGrade-7
Grade-7
Physics

During the normal incidence of a light ray on a spherical lens, the light ray ____.

During the normal incidence of a light ray on a spherical lens, the light ray ____.

PhysicsGrade-7
Grade-7
Physics

A light ray bends ____ on entering the air from ____.

A light ray bends ____ on entering the air from ____.

PhysicsGrade-7
parallel
Grade-7
Physics

When a parallel beam of light falls on a surface of a convex lens, it ____ the rays of light in it to a point called ____.

When a parallel beam of light falls on a surface of a convex lens, it ____ the rays of light in it to a point called ____.

PhysicsGrade-7
Grade-7
Physics

Concave lenses are ____ in the middle and ____ towards the edge.

Concave lenses are ____ in the middle and ____ towards the edge.

PhysicsGrade-7
Grade-7
Physics

Spherical lenses are _____ objects.

Spherical lenses are _____ objects.

PhysicsGrade-7
parallel

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