OPTICS

Master Optics Quiz

Test your knowledge of optics with our engaging quiz! Dive into various topics related to lenses, mirrors, and optical phenomena. Whether you're a student, teacher, or just an enthusiast, this quiz will challenge your understanding and enhance your learning.

Join now and discover:

Key principles of optics
Applications of lenses and mirrors
Interesting facts about light behavior

16 Questions4 MinutesCreated by ReflectingWave42

A concave mirror gives real, inverted and same size image if the object is placed

. At F

At infinity

At C

Beyond C

A concave mirror gives virtual, refract and enlarged image of the object but image of smaller size than the size of the object is

. At infinity

Between F and C

Between P and F

At E

In optics an object which has higher refractive index is called

Optically rarer

Optically denser

Optical density

Refractive index

The optical phenomena, twinkling of stars, is due to

Atmospheric reflection

Total reflection

Atmospheric refraction

Total refraction

Convex lens focus a real, point sized image at focus, the object is placed

At focus

Between F and 2F

At infinity

At 2F

Mirage is an example

refraction of light only

total internal reflection of light only

refraction of light

dispersion of light only

Two lenses of focal lengths 20 cm and – 40 cm are held in contact. Focal length of combination will be

10 cm

20 cm

40 cm

infinity

In optical fibres, the refractive index of the core is

greater than that of the cladding.

equal to that of the cladding.

smaller than that of the cladding.

independent of that of cladding.

An object is placed at a distance of 0.5 m in front of a plane mirror. The distance between object and image will be

0.25 m

0.5 m

1.0 m

2.0 m

If a convex lens of focal length 80 cm and a concave lens of focal length 50 cm are combined together, what will be their resulting power?

+ 6.5 D

– 6.5 D

+ 7.5 D

– 0.75 D

OPTICS

Master Optics Quiz

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