Question

I. Select the option:

1. What is the bending of a ray of light whed it travels from one medium to another called?

(a) Dispersion of light

(b) Refraction of light

(c) Reflection of light

(d) Spectrum of light

2. The image formed by a convex mirror is

(a) real, inverted and diminished

(b) real, inverted and magnified

(c) virtual, erect and diminished

(d) virtual, erect and magnified

3. What is an angle made between the incident ray and normal at the point of incidence called?

(a) Angle of deviation

(b) Angle of incidence

(c) Angle of refraction

(d) Angle of emergence

4. The rays parallel and close to the principal axis of a concave mirror after reflection

(a) meet at the pole of the mirror.

(b) meet at the focus of the mirror.

(c) meet at the centre of curvature of the mirror.

(d) never meet at any point.

5. The colours just above and below green colour in the spectrum of white light are

(a) blue and yellow.

(b) indigo and yellow

(c) blue and orange

(d) none of these.

6. Light of which of the following colours deviates least?

(a) Violet

(b) Blue

(c) Green

(d) None of these​

Answer 1

Answer:

1. Refraction of light.

2.virtual, erect, and diminished.

3.Angle of incidence.

4.meet at the focus of the mirror.

5.Blue and yellow.

6.none of these but ans is red colour.

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