Timed Challenge - Answer & Submit | GK Mania

1 What is the fine structure constant approximately?

A) 1/137

B) 1/256

C) 1/100

D) 1/42

2 What is H₂O commonly known as?

A) Salt

B) Acid

C) Water

D) Sugar

3 What is the principle quantum number (n) related to?

A) Orientation of orbital

B) Spin of electron

C) Energy level and size

D) Shape of orbital

4 What scientist formulated three laws of motion?

A) Kepler

B) Einstein

C) Newton

D) Galileo

5 What force binds quarks inside a proton?

A) Magnetism

B) Weak force

C) Strong force

D) Gravity

6 What is the opposite of matter?

A) Antimatter

B) Dark matter

C) Light

D) Energy

7 What is the lithosphere?

A) The hydrosphere

B) The liquid outer core

C) The atmosphere

D) rigid outer layer of

8 At what depth does the Mohorovičić discontinuity typically occur under continents?

A) 200–250 km

B) 5–10 km

C) 100–150 km

D) 30–50 km

9 What is the formula E = mc² about?

A) Mass-energy

B) Wave speed

C) Ohm's law

D) Force calculation

10 What is the escape velocity from Earth's surface?

A) 7.9 km/s

B) 9.8 km/s

C) 11.2 km/s

D) 15.0 km/s

Quiz

1 What is the fine structure constant approximately?

2 What is H₂O commonly known as?

3 What is the principle quantum number (n) related to?

4 What scientist formulated three laws of motion?

5 What force binds quarks inside a proton?

6 What is the opposite of matter?

7 What is the lithosphere?

8 At what depth does the Mohorovičić discontinuity typically occur under continents?

9 What is the formula E = mc² about?

10 What is the escape velocity from Earth's surface?

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Quiz

1 What is the fine structure constant approximately?

2 What is H₂O commonly known as?

3 What is the principle quantum number (n) related to?

4 What scientist formulated three laws of motion?

5 What force binds quarks inside a proton?

6 What is the opposite of matter?

7 What is the lithosphere?

8 At what depth does the Mohorovičić discontinuity typically occur under continents?

9 What is the formula E = mc² about?

10 What is the escape velocity from Earth's surface?

Navigator

Quiz Results