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When sound is produced in an aeroplane with a velocity of 200 m/s horizontally, its echo is heard after 10√5 seconds. If velocity of sound in air is 300 ms⁻¹ the elevation of aircraft is
Options
(a) 250 m
(b) 250√5 m
(c) 1250 m
(d) 2500 m
Correct Answer:
2500 m
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Waves
(80)
Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If M (A; Z), Mₚ and Mₙ denote the masses of the nucleus AZ X, proton
- If doubly ionised lithium atom is hydrogen like with atomic number 3, the wavelength
- An electron in hydrogen atom makes a transition n₁ → n₂
- Tangent galvanometer is used to measure
- The work function for metals A,B abd C are respectively 1.92 eV,2.0 eV and 5 eV.
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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