Question

Select One Option Correct from the following : The displacement y of a particle executing periodic motion is given by $y = 4 \cos^2 (t/2) \sin(1000t)$ .This expression may be considered to be a result of the superposition of . . . . . . independent harmonic motions.
(A) two
(B) three
(C) four
(D) five

Answer 1

b option is correct I think

Answer 2

Select One Option Correct from the following : The displacement y of a particle executing periodic motion is given by $y = 4 \cos^2 (t/2) \sin(1000t)$ .This expression may be considered to be a result of the superposition of . . . . . . independent harmonic motions.

(A) two

✴️ (B) three

(C) four

(D) five