Physics/G.K Question and Answer - Physics Set VIII Sample Test,Sample questions

Question:
 Because the sunlight falling on it is reflected.

1.Because the sunlight falling on it is reflected.

2.Because the sunlight falling on it is refracted.

3. Because the sunlight falling on it is absorbed.

4.Because the sunlight falling on it is scattered.

Posted Date:-2021-03-14 21:50:36


Question:
 Due to which phenomena the stick if immersed in water appears to be bent?

1.Reflection

2. Dispersion

3.Refraction

4.Scattering

Posted Date:-2021-03-14 21:50:36


Question:
 In projectors which lenses are used?

1. Convex lens

2.Concave lens

3.Bipolar lens

4.Both (a) and (b)

Posted Date:-2021-03-14 21:50:36


Question:
Dental mirror is what type of a mirror?

1.Convex mirror

2.Concave mirror

3.Plane mirror

4.Both (b) and (c)

Posted Date:-2021-03-14 21:50:36


Question:
Due to which phenomena light rays emerging from a cinema machine spread wide on the screen?

1. Dispersion

2.Diffraction

3.Scattering

4.Refraction

Posted Date:-2021-03-14 21:50:36


Question:
In the case of a concave mirror, the image of an object is

1. Real, erect and diminished when the object lies beyond the centre of curvature.

2. Real, inverted and of the same size as the object when it lies between the centre of curvature and focus.

3.Real, inverted and diminished when the object lies beyond the centre of curvature.

4.Not real, large and unproportional.

Posted Date:-2021-03-14 21:50:36


Question:
To increase the magnifying power of a telescope, the focal length of

1.Objective lens should be increased.

2.Objective lens should be decreased.

3.Eye-piece lens should be increased.

4.Eye-piece lens should be decreased.

Posted Date:-2021-03-14 21:50:36


Question:
What is the power of concave lens?

1. Positive

2.Negative

3.Both

4. None of the above

Posted Date:-2021-03-14 21:50:36


Question:
What type of a mirror is used in anti-shop-lifting-devices?

1.Concave mirror

2.Convex mirror

3.Plane mirror

4.None of the above

Posted Date:-2021-03-14 21:50:36


Question:
Which glasses or lens are used to correct the short sighted eye defect?

1.Concave Lens

2.Convex Lens

3. Bipolar Lens

4.None of the above

Posted Date:-2021-03-14 21:50:36


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