A) Heart
B) Skin
C) Liver
D) Brain
Answer: B) Skin
Tag: physics mcqs
The hardest natural substance on Earth is:
A) Iron
B) Diamond
C) Gold
D) Silver
Answer: B) Diamond
The fastest animal on land is:
A) Lion
B) Tiger
C) Cheetah
D) Horse
Answer: C) Cheetah
The planet known as the “Red Planet” is:
A) Earth
B) Mars
C) Jupiter
D) Venus
Answer: B) Mars
The chemical symbol for water is:
A) H₂
B) HO₂
C) H₂O
D) O₂H
Answer: C) H₂O
25 men consume 250 kg of wheat in 20 days. How much wheat will 20 men consume in 25 days?
A. 300
B. 200
C. 250
D. 350
Looking at the mirror, you notice that your image appears shorter. What type of mirror is this?
(A) Plane
(B) Concave
(C) Convex
(D) (A) or (B)
The answer is: (C) Convex
Looking at the mirror, you notice that your image appears enlarged. What type of mirror is this?
(A) Plane
(B) Concave
(C) Convex
(D) (A) or (C)
The answer is: (B) Concave
Which from the following has the shortest wavelengths?
(A) Light
(B) X-Rays
(C) Infrared rays
(D) Gamma rays
The answer is: (D) Gamma rays
Which waves are commonly produced by oscillating electric circuits?
(A) Microwaves
(B) Radio waves
(C) Infrared rays
(D) X-Rays
The answer is: (A) Microwaves