Options:
- A. E = mc2
- B. E = cm2
- C. M = ec2
- D. M = ce2
View Answer
A. E = mc2
Everyday Science
The instrument used to measure wind speed is?
Options:
- A. Anemometer
- B. Barometer
- C. Hydrometer
- D. Hygrometer
View Answer
A. Anemometer
Clocks, which moves with the velocities comparable with the velocity of light, run ?
Options:
- A. fast
- B. slow
- C. equal to the velocity of light
- D. with zero velocity
View Answer
B. slow
Laughing gas has chemical composition of following two elements ?
Options:
- A. Nitrogen + Hydrogen
- B. Nitrogen + Carbon
- C. Nitrogen + Oxygen
- D. Oxygen + Carbon
View Answer
C. Nitrogen + Oxygen
Which of the following is most elastic ?
Options:
- A. Steel
- B. Rubber
- C. Glass
- D. Sponge
View Answer
A. Steel
Sedimentary rocks are__________?
Options:
- A. Porous
- B. Hard
- C. Rough
- D. Brittle
View Answer
A. Porous
A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be ?
Options:
- A. 6 feet
- B. 12 feet
- C. 4 feet
- D. 3 feet
View Answer
D. 3 feet
What is the body temperature of a normal man?
Options:
- A. 81.1
- B. 37.0
- C. 98.6
- D. 21.7
View Answer
B. 37.0
Which of the following vitamins promote healthy functioning of eyes in human beings?
Options:
- A. Vitamin B
- B. Vitamin C
- C. Vitamin A
- D. Vitamin D
View Answer
C. Vitamin A
The beautiful color patterns exhibited by a peacock in its tail feathers are due to ?
Options:
- A. Selective absorption of light
- B. Selective re ection of light
- C. Sinterference of light
- D. Natural colour pattern of feathers
View Answer
A. Selective absorption of light