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NTS NAT IGS Practice General Science Light and Sound MCQs Test 2
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NTS NAT IGS Practice General Science Light and Sound MCQs Test 2

Practice NTS NAT IGS 2026 Practice Test General Science MCQs from Light and Sound. Get instant results with Explanation.
Practice Quiz 2 for "Light and Sound" (General Science). Total 20 MCQs available, split into 2 quizzes. Test your understanding of core concepts. Mastering these concepts is essential for securing a high percentile in NTS NAT IGS.
General10 MCQs
1. What is the approximate speed of sound in air?
2. What is the unit of frequency?
3. What light-sensitive cells are found in the retina?
4. Which type of lens is a converging lens?
5. Which type of lens is a diverging lens?
General10 MCQs
6. In which medium does sound travel fastest?
7. Which organ detects sound waves?
8. What determines the pitch of a sound?
9. What does the law of reflection state?
10. What is ultrasound?

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NTS NAT IGS Practice Test

Conducting Body: National Testing Service (NTS)
Frequency: Monthly | Time: 90 Minutes
Negative Marking: No

⚡ Test Pattern (Total: 90 MCQs):

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