b. If both the assertion and the reason are
Chapter 4: Class 10 Science English · Part 11 · Science · EN medium
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true but the reason is not the correct explanation of the assertion. c. Assertion is true, but the reason is false. d. Assertion is false, but the reason is true. ) Assertion: The change in air pressure affects the speed of sound. Reason: The speed of sound in a gas is proportional to the square of the pressure ) Assertion: Sound travels faster in solids than in gases. Reason: Solid posses a greater density than that of gases. VI. Answer very briefly . What is a longitudinal wave? . What is the audible range of frequency? . What is the minimum distance needed for an echo? . What will be the frequency sound having
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true but the reason is not the correct explanation of the assertion. c. Assertion is true, but the reason is false. d.
Assertion is false, but the reason is true. ) Assertion: The change in air pressure affects the speed of sound. Reason: The speed of sound in a gas is proportional to the square of the pressure ) Assertion: Sound travels faster in solids than in gases. Reason: Solid posses a greater density than that of gases.
VI. Answer very briefly . What is a longitudinal wave? .
What is the audible range of frequency? . What is the minimum distance needed for an echo? .
What will be the frequency sound having
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