Related Questions to study

Grade-7
Physics

What kind of images does a concave lens form?

What kind of images does a concave lens form?

PhysicsGrade-7
Grade-7
Physics

A lens can always form both real and inverted and virtual and upright images of an object placed in front of it. It is a ____ lens.

A lens can always form both real and inverted and virtual and upright images of an object placed in front of it. It is a ____ lens.

PhysicsGrade-7
Grade-7
Physics

A magnifying glass is placed in the path of sun rays, and a sharp point-sized image of the Sun is obtained on a paper placed on the other side of the magnifying glass. This image is formed at the ___ of the glass.

A magnifying glass is placed in the path of sun rays, and a sharp point-sized image of the Sun is obtained on a paper placed on the other side of the magnifying glass. This image is formed at the ___ of the glass.

PhysicsGrade-7
parallel
Grade-7
Physics

The eye lens of a human eye is thicker in the middle as compared to the edges. It is a ___ lens.

The eye lens of a human eye is thicker in the middle as compared to the edges. It is a ___ lens.

PhysicsGrade-7
Grade-7
Physics

A light ray bends ____ on entering a ____.

A light ray bends ____ on entering a ____.

PhysicsGrade-7
Grade-7
Physics

When a parallel beam of light falls on a surface of a concave lens it ____ the rays of light in such a way that they appear to originate from a point called ____.

When a parallel beam of light falls on a surface of a concave lens it ____ the rays of light in such a way that they appear to originate from a point called ____.

PhysicsGrade-7
parallel
Grade-7
Physics

Concave lenses are also called ____ lenses.

Concave lenses are also called ____ lenses.

PhysicsGrade-7
Grade-7
Physics

The angle between the incident ray and the emergent ray is not equal to ____ degrees when the light gets refracted through a spherical lens.

The angle between the incident ray and the emergent ray is not equal to ____ degrees when the light gets refracted through a spherical lens.

PhysicsGrade-7
Grade-7
Physics

In the setup shown in the picture below, the sun rays are focused on a paper by a magnifying glass, which results in the paper catching fire. If the magnifying glass was replaced by a concave lens, the paper does not catch fire. Why?

In the setup shown in the picture below, the sun rays are focused on a paper by a magnifying glass, which results in the paper catching fire. If the magnifying glass was replaced by a concave lens, the paper does not catch fire. Why?

PhysicsGrade-7
parallel
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

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