SSC (Marathi Semi-English) १० वीं कक्षा - Maharashtra State Board Important Questions

What is the correct reason for blinking / flickering of stars? Explain it.
a) The blasts in the stars.
b) Absorption of star light by the atmosphere.
c) Motion of the stars.
d) Changing refractive index of gases in the atmosphere.

What is the correct reason for blinking / flickering of stars? Explain it.
a) The blasts in the stars.
b) Absorption of star light by the atmosphere.
c) Motion of the stars.
d) Changing refractive index of gases in the atmosphere.

Choose and write the correct option.

If we gradually increase the angle of incidence of a ray of light passing through prism then …..

Choose the correct alternative and rewrite the following:

A glass slab is placed in the path of convergent light. The point of convergence of light

Choose the correct alternative and rewrite the following:

A glass slab is placed in the path of convergent light. The point of convergence of light

The phenomenon of change in the direction of light when it passes from one transparent medium to another is called ___________.

Explain how the formation of a rainbow occurs.

Fill in the blank and rewrite the completed statement:

Very fine particles mainly scatter ______ light.

Explain: ‘How is a rainbow formed’?

Rewrite the following statement by selecting the correct option:

If a ray of light strikes a glass slab at an angle of 600 with the surface of the slab, the angle of incidence must be __________________.

Rewrite the following statement by selecting the correct option:

If a ray of light strikes a glass slab at an angle of 600 with the surface of the slab, the angle of incidence must be __________________.

Observe the given figure and name the following.

In refraction of light through a glass slab, the directions of the incident ray and the refracted ray are ______.

Draw the ray diagram of a glass slab having medium A and B for the velocity of light ray V_A and V_B respectively and define Snell's law.

1. If V_B = 1.5 V_A, then which medium is denser?
2. What is the refractive index of A with respect to B?
3. What is the refractive index of B with respect to A?

Draw the ray diagram of a glass slab having medium A and B for the velocity of light ray V_A and V_B respectively and define Snell's law.

1. If V_B = 1.5 V_A, then which medium is denser?
2. What is the refractive index of A with respect to B?
3. What is the refractive index of B with respect to A?

Observe the figure and name the ray AB, ray CD, ray GH.

Observe the figure and name the ray AB, ray CD, ray GH.

Suggest measures to minimize electricity consumption at home.

Suggest measures in bursting fire crackers in festivals and processions.