(A) microwaves
(B) X- rays
(C) ultrasonic waves
(D) Material waves
Answer: (C) ultrasonic waves
Category: Physics MCQs Class 11
Physics solved multiple choice questions (MCQs) for class 11 or first year with answers.
The distance covered by a body in one complete linear vibration is 20 cm. What is the amplitude of body?
(A) 10 cm
(B) 5 cm
(C) 15 cm
(D) 7 cm
Answer: (B) 5 cm
The displacment of particle having amplitude ‘a’ in SHM in one time period is:
(A) zero
(B) a
(C) 2a
(D) 4a
Answer: (B) a
Pressure will be low where the speed of the fluid is:
(A) Zero
(B) High
(C) Low
(D) Constant
Answer: (B) High
Who gave the inverse square law for gravity?
(A) Einstein
(B) Galileo
(C) Newton
(D) Plank
Answer: (C) Newton