# Fun Physics Quiz

## Results

### #10. The astronauts of which country are called cosmonauts?

1. Mercury was used for aviation in ancient times. NASA also uses mercury for the same purposes. Check here for more

2. CERN has the statue of Shiva in its premises. Know the reason here in one of our previous articles WHY DOES CERN HAVE A STATUE OF LORD SHIVA

3. Entroy is either increasing or constant. So, its time derivative is either positive or zero.

4. Total probablity is always equal to one. Wherever your brother is inside the room, he is inside the room anyway. Hence, we shall count it as total probability.

5. Wave function is a complex number. So, it doesn’t have any physical significance. Quantum Mechanics and Double Slit Experiment

6. Check previous article for the explanation Mathematicians in Relativity

7. Albert Einstein was the other physicist who was involved in this thought experiment. THOUGHT EXPERIMENT

8. Law of inertia was given by Galileo Galilei, not Isaac Newton. Entropy is an arrow of time (from 2nd law of thermodynamics).

Observer effect is real. An observer can manipulate the experiment only by the mere act of observation. How Humans Perceive things with Relativity

9. Carl Sagan became popular worldwide after his show Cosmos.

10. Russian astronauts are called cosmonauts. More space articles here

## Fun Physics Quiz

1.Which of the following elements was used for aviation in ancient Vimanas?

a. Helium

b. Mercury()

c. Hydrogen

d. Indium

2. Which of the following research centres has statute of Shiva in its premises?

a. NASA

b. ESA

c. CERN ()

d. ISRO

3. Whose time derivative is always positive or zero?

a. velocity

b. momentum

c. magnetic flux

d. entropy ()

4. Your brother is inside his room, where you think he may be on his couch or on his bed or on the computer or in the chair. What’s the probability of you finding him inside his room?

a. 1/4

b. 3/4

c. 1 ()

d. 0

5. The wave function in Schrödinger’s wave equation is a __________ number.

a. real

b. complex()

c. irrational

d. whole

6. Which of the following mathematicians helped Albert Einstein in his general theory of relativity?

a. Jonas Bolyai()

b. John Napier

c. Torricelli

d. Srinivas Ramanujan

7. Besides Schrödinger, whoelse was also involved with the Schrödinger’s cat thought experiment?

a. Max Born

b. Max Plank

c. Albert Einstein ()

d. Niels Bohr

8. Which of the following statements is true?

a. entropy is a product of 1st law of thermodynamics

b. Law of inertia was given by Isaac Newton

c. an observer cannot affect the consequences of an experiment

d. none of the above ()

9. Which of the following scientists was famous for his show Cosmos?

a. Brian Cox

b. Sean Carroll

c. Roger Penrose

d. Carl Sagan ()

10. The astronauts of which country are called cosmonauts?

a. Russia()

b. China

c. Israel

d. Great Britain