The characteristic of sound which distinguishes between a shrill sound and a growling sound is
A) pitch
B) loudness
C) quality
D) amplitude
1 Answers
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Among the following which is not a characteristic feature of Federalism ?
D) The Supremacy of the Central Polity
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The characteristic properties of an organic compound which depend on atom or group of atoms in its molecule is known as
B) functional group
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Which of the following is not a characteristic symptom of Marasmus ?
A) Accumulation of water in the intercellular spaces
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The wavelength of a sound note is 1 m in air and 2.5 m in a liquid. Find the speed of sound in the liquid, if the speed
Given: λa = 1 m, λl = 2.5 m, va = 330 m/s, To find: Speed of sound (vl) Formula: v = nλ Calculation: From formula, Since the frequency n remains the same, va = nλa and vl = nλl ∴ \(\frac{v_l}{v_a}=\frac{λ_l}{λ_a}\) ∴ vl = va \(\frac{λ_l}{λ_a}\) =...
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Which one of the following is not the characteristic feature of the image formed when the object is placed at 2F1 of the convex lens ?
D) Erect image
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The wavelength of sound in air is 1.5 m and that in liquid is 2 m. If the velocity of sound in air is 330 m/s, the velocity of sound in liquid is
Correct option is: (B) 440 m/’s
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A sound note emitted from a certain source has a velocity of 300 m/s in air and 1050 m/s in water. If the wavelength of sound note in air is 2 m
Correct option is: (C) 7 m
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Which of the following is a characteristic of gymnosperms ? A) They have outer seed coverings
A) They have outer seed coverings
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Plants which produce characteristic pneumatophores and show vivipary belong to
The correct answer is (B) Halophytes Plants growing in swampy areas, marshy places and salt lakes are called halophytes. Many halophytes develop respiratory roots or pneumatophores. Pneumatophores are negatively geotropic and are...
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Which of the following is not a characteristic of musical sound ?
Correct option is C) Loudness
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