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1 Physics MCQs

In general, good absorbents of electromagnetic radiation are also good ?

  • Radiators
  • Conductors
  • Insulators
  • Semiconductors
0 Comments
Correct Answer: A. Radiators

Explanation:

Materials that are good absorbents of electromagnetic radiation—like black bodies or dark-colored surfaces—are ... Read More Details

2 Everyday Science MCQs

During which process of energy exchange does cold air displace warmer air?

  • Convection
  • Radiation
  • Conduction
  • None of these
0 Comments
Correct Answer: A. Convection

Explanation:

Convection is the process of heat transfer in fluids (liquids and gases) where ... Read More Details

3 Everyday Science MCQs

Which trade barrier benefits consumers?

  • Protect declining industries
  • Shield from low-wage countries
  • Stop dumping
  • Support infant industries
0 Comments
Correct Answer: A. Protect declining industries

Explanation:

Trade barriers are government-imposed restrictions on international trade, such as tariffs, quotas, and ... Read More Details

4 Physics MCQs

The S.I. unit of refractive index is ?

  • Meter
  • Centimeter
  • Watt
  • No unit
0 Comments
Correct Answer: D. No unit

Explanation:

The refractive index (n) of a medium is a measure of how much ... Read More Details

5 Everyday Science MCQs

Soil acidity can be corrected by which method?

  • Proper irrigation
  • Adding sodium hydroxide
  • Liming
  • Application of fertilizers
0 Comments
Correct Answer: C. Liming

Explanation:

Soil acidity refers to the presence of excess hydrogen ions (H⁺) in the ... Read More Details

6 Everyday Science MCQs

Which of the following is not a primary color?

  • Red
  • Blue
  • Green
  • Yellow
0 Comments
Correct Answer: C. Green

Explanation:

Primary colors are the fundamental colors that cannot be created by mixing other ... Read More Details

7 Chemistry MCQs

Endothermic reactions are chemical reactions in which ________?

  • Heat is evolved
  • Heat is absorbed
  • Temperature increases
  • Light is produced
0 Comments
Correct Answer: B. Heat is absorbed

Explanation:

Endothermic reactions are chemical reactions that absorb energy, usually in the form of ... Read More Details

8 Physics MCQs

Which color of light is deviated the least when passing through a prism?

  • Red
  • Blue
  • Violet
  • Green
0 Comments
Correct Answer: A. Red

Explanation:

When light passes through a prism, it undergoes refraction, bending at the surfaces ... Read More Details

9 Everyday Science MCQs

The Fisher unit is used to measure which property?

  • Protein content
  • Flour color
  • Damaged starch
  • Flour particle size
0 Comments
Correct Answer: D. Flour particle size

Explanation:

The Fisher unit is a measurement used primarily in the milling and baking ... Read More Details

10 Everyday Science MCQs

What is the rank of the Earth in the Solar System in terms of size?

  • 5th
  • 4th
  • 3rd
  • None of these
0 Comments
Correct Answer: B. 4th

Explanation:

The Earth is the fourth-largest planet in the Solar System in terms of ... Read More Details