Which type of waves can be polarized?

D. Both longitudinal and transverse waves

Everyday Science · Physics in Everyday Life · page 23 of 44

Light & Optics MCQs with Answers

Includes 30 past paper MCQs (marked).

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Light & Optics (incl. Lenses) MCQs (221–230)

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

Past paper MCQs in this chapter · See all past papers

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221.
When light enters from a rarer to a denser medium its _?
Correct Answer: C. Frequency remains same
One-liner
When light enters from a rarer to a denser medium, its frequency remains same while speed and wavelength decrease.
222.
A red object when seen through a thick blue glass appears _?
Correct Answer: C. Black
One-liner
A red object seen through thick blue glass appears black because blue glass absorbs all colours except blue, and red light is completely absorbed.
223.
Past Paper MCQ
Diopter causes adjustment in which part of a microscope?
Correct Answer: B. Eyepiece
One-liner
Diopter adjustment is present in the eyepiece of a microscope to compensate for vision differences between the two eyes.
224.
Past Paper MCQ
Which of the following radiations/particles/rays has the highest penetrating power?
Correct Answer: C. Gamma rays
One-liner
Gamma rays have the highest penetrating power among all types of electromagnetic radiation and radioactive emissions.
225.
How many types of concave lens are there?
Correct Answer: B. Three
One-liner
There are three types of concave lenses: biconcave, plano-concave, and convexo-concave (meniscus).
226.
Which type of waves can be polarized?
Correct Answer: B. Transverse waves
One-liner
Only transverse waves can be polarized because their oscillations are perpendicular to the direction of wave propagation.
227.
In a vacuum, the speed of light is?
Correct Answer: B. Constant
One-liner
In a vacuum, the speed of light is constant, approximately 3 × 10⁸ m/s.
228.
What is the three-dimensional image formed by a laser called?
Correct Answer: B. Hologram
One-liner
A three-dimensional image formed by a laser is called a Hologram.
229.
The branch of physics that deals with the laws and nature of light is?
Correct Answer: D. Optics
One-liner
The branch of physics that deals with the laws and nature of light is Optics.
230.
The primary colors of light are _?
Correct Answer: C. Red, Green, Blue
One-liner
The primary colors of light are Red, Green, Blue (RGB).

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Light & Optics MCQs with Answers

Light & Optics (incl. Lenses) MCQs (221–230)

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