1. Who is the inventor of gravitational rules?
a. Edison
b. Newton
c. Faraday
d. None of these
Ans-b. Newton
2. Who discovered the television ?
a. W.Ramze
b. Robert Mellage
c. Jasson
d. John Logie Baird
Ans-d. John Logie Baird
3. Rubber balloon filled with hydrogen breaks up in the air, because–
a. A load of hydrogen increases.
b. Air pressure increases.
c. Air pressure decreases.
d. Hydrogen pressure increases.
Ans-c. Air pressure decreases
4. What energy is there in the key clock?
a. Kinetic energy
b. Potential energy
c. Fission energy
d. Consolidated energy
Ans-b. Potential energy
5. Which of the following has no kinetic energy?
a. Drew bow
b. Gunshot
c. Walk hammer
d. Following water
Ans-a. Drew bow
6. what force does it take to remove cream from milk?
a. Auto centre force
b. Procurement force
c. External force
d. Subconscious force
Ans-a. Auto centre force
7. How much of the earth's gravitational is closer to the gravity of the moon?
a. 1/5
b. 1/6
c. 1/8
d. 1/4
Ans-b. 1/6
8. Raindrop is a spherical
a. Due to surface tension
b. Due to atmospheric friction of the air
c. Due to the presence of rainwater
d. Due to the gravity of the round Earth
Ans-a. Due to surface tension
9. Who has compiled the rule of motion of the planets?
a. Newton
b. Galileo
c. Copernicus
d. Capler
Ans-d. Capler
10. Earth and other planets revolve around the sun who first proved it.
a. Aristotle
b. Galileo
c. Copernicus
d. Edwin Hubbell
Ans-c. Copernicus
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