Everyday Science · Physics in Everyday Life · page 5 of 5

Everyday Science misc (127) MCQs with Answers

Includes 3 past paper MCQs (marked).

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Miscellaneous MCQs (41–45)

5 MCQs with answers and a short one-liner. Hide answers to test yourself.

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41.
The density of water is ?
Correct Answer: C. 1 g/cm³
One-liner
The density of water is 1 g/cm³ (or 1000 kg/m³) at 4°C, which is its maximum density.
42.
The most dangerous type of radiation is?
Correct Answer: C. Gamma radiation
One-liner
The most dangerous type of radiation is Gamma radiation because it has the highest penetrating power and can pass through the human body, causing severe cellular damage.
43.
Which property of water allows it to stick to polar surfaces like wood?
Correct Answer: B. Adhesion
One-liner
The property of water that allows it to stick to polar surfaces like wood is adhesion.
44.
The de-Broglie wavelength associated with a particle moving at 10^6 m/s and having mass 10^-30 kg is:
Correct Answer: A. 6.6 × 10^-10 m
One-liner
The de-Broglie wavelength is 6.6 × 10^-10 m, calculated using λ = h/mv.
45.
State of matter that has fixed volume but not fixed shape is called?
Correct Answer: C. Liquid
One-liner
The state of matter that has a fixed volume but no fixed shape is called liquid.