SSC (Marathi Semi-English) १० वीं कक्षा - Maharashtra State Board Important Questions for Science and Technology 1

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 __________________.

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?

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.