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Physics Match the following.

Electromagnetic Waves · Tamil Nadu Board STD 12 (Tamil - English Medium). 4 questions.

Questions

Match the following.

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4 questions · timed · auto-graded

Question 14 Marks
(i) Continuous emission spectra – (a) Atomic hydrogen
(ii) Line emission spectra – (b) Ammonia gas
(iii) Band emission spectra – (c) Incandescent solids
(iv) Band absorption spectra – (d) Blood (or) chlorophyl
Answer
(i) → (c)
(ii) → (a)
(iii) → (b)
(iv) → (d)
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Question 24 Marks
(i) Gamma ray – (a) Structure of molecules
(ii) Visible light – (b) Treatment of cancer
(iii) UV radiation – (c) Detecting fractures
(iv) X-rays – (d) Destroy bacteria
Answer
(i) → (b)
(ii) → (a)
(iii) → (d)
(iv) → (c)
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Question 34 Marks
(i) Gauss Law - (a) Electromagnetic induction
(ii) Faraday's Law - (b) $\varphi=\frac{q}{\varepsilon_0}$
(iii) Speed of light - (c) Electromagnetic oscillators
(iv) Microwaves - (d) $3 \times 10^8 ms ^{-1}$

Answer
(i) → (b)
(ii) → (a)
(iii) → (d)
(iv) → (c)
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Question 44 Marks
(i) Light - (a) Medical surgery
(ii) Laser - (b) Law of induction
(iii) Radar - (c) Electromagnetic waves
(iv) Maxwell - (d) Defence (detection system)
Answer
(i) $\rightarrow$ (c)
(ii) $\rightarrow$ (a)
(iii) $\rightarrow$ (d)
(iv) $\rightarrow$ (b)

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Match the following. - Physics STD 12 Questions - Vidyadip