SSC (Marathi Semi-English) 10th Standard Board Exam [इयत्ता १० वी] - Maharashtra State Board Question Bank Solutions for Science and Technology 1

Observe the given figure and write appropriate phenomenon of light in the box.

Observe the given figure and answer the following questions.

1. Which colour light rays bend most?
2. Which colour light rays bend least.
3. What is the wavelength of violet light rays?

Observe the following diagram and identify the type of reaction and write observation.

Explain why spacecraft take longer to reach the moon than light?

______ colour is deviated the least in the spectrum of white light obtained with a glass prism.

Observe the given figure of Fleming's Left Hand Rule and write the labels of 'A' and 'B':

Identify the type of chemical reaction given below:

\[\ce{CuSO4 + Fe -> FeSO4 + Cu}\]

Complete the following chemical reaction:

\[\ce{CuSO4 (aq) + Pb (s) -> \underline{}\underline{}\underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}\underline{}\underline{}}\]

Name the chemical reaction type.

Metal ‘A’ has electronic configuration 2, 8, 1 and metal ‘B’ has electronic configuration 2, 8, 8, 2. Out of these, which metal is more reactive? Write the reaction of this metal with dilute HCl acid.

Complete the given chemical equation:

\[\ce{Zn(s) + CuSO4(aq) -> \underline{}\underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}\underline{}}\]

Name the type of reaction.

When a spacecraft is launched into outer space, the velocity attained by it should be greater than the escape velocity.

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).