SSC (English Medium) १० वीं कक्षा - Maharashtra State Board Question Bank Solutions for Science and Technology 1

Match the column:

Match the column:

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?

State True or False:

"Wavelength of red light is close to 700 nm.”

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

Observe the given diagram and answer the questions:

1. Name the process shown in the figure.
2. Name the colour that deviates the most.
3. Name the colour that deviates the least.
4. Name any one phenomenon in nature which is based on the above process.
5. Define ‘spectrum’.

In series combination which remains constant?
(a) Voltage
(b) Current
(c) Both current and voltage
(d) Both are variables

Write two applications of sodium bicarbonate (baking soda).

Find the expression for the resistors connected in series and write the two characteristics of it. (Draw figure).

Draw figure ‘Electric motor’ and working 

What is the Principle of an Electric motor?

Name any four appliances where electric motor is used.

The distance between principal focus and optical centre of the lens is _________.

1. diameter
2. focal length
3. principal axis
4. optical centre

Give a scientific reason:

Danger signals are red in colour.

Complete the following reaction, balance it and write the name of the products CuO + HCI →_________ + _________

Complete the following :-

(a)

Fill in the blank:

Very fine particles mainly scatter ………… colored light.

If the equivalent resistance is to be increased, then the number of resistances should be connected in

1. Series
2. Parallel
3. Mixed arrangement
4. None of the above

When the substance ‘A’ is added to a solution of BaSO₄, a yellow precipitate is formed.

1. What do you think substance A is likely to be?
2. Name the precipitate.
3. Which type of reaction is this?

Find the expression for resistors connected in series.