Question

If a particle is at rest, then its displacement-time graph will be
(a) a curve
(b) an inclined line
(c) a line parallel to time axis
(d) a line parallel time axis to displacement axis
Which of the following is not true for displacement?
(a) It cannot be zero
(b) Its magnitude is greater than the distance
(c) Its unit is cm
(d) Its magnitude can be equal to the distance
Reverberation of sound is used in
a Stethoscope
b. Trumpets
c. Megaphone
d. All of these​

Answer 1

Answer:

first one option _3

second one option_1

third one option_3

Explanation:

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Answer 2

Answer:

First answer -c

second answer- b

last answer - d

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