shahzaib hassan PHYSICS - Special Relativity

What is length contraction?

A. Objects get longer. B. Objects get shorter. C. Objects stay the same. D. Objects disappear.

Like(0)

disLike (0)

Comment(0)

Explanation

Length contraction means that when something moves super fast, it looks shorter to someone watching it. Imagine squeezing a sponge; it looks smaller when you press it!

shahzaib hassan PHYSICS - Special Relativity

If two observers are moving relative to each other, what do they see regarding each other's clocks?

A. Both clocks run at the same rate. B. Both clocks run slower than each other. C. One clock runs faster. D. Clocks don't exist.

Like(0)

disLike (0)

Comment(0)

Explanation

If two people are zooming past each other really fast, they think each other's clocks are ticking slowly. It's like watching someone else?s clock while yours goes tick-tock normally!

shahzaib hassan PHYSICS - Special Relativity

What is time dilation?

A. Time getting shorter. B. Time getting longer. C. Time staying the same. D. Time disappearing.

Like(0)

disLike (0)

Comment(0)

Explanation

Time dilation means that when you move really fast, time feels like it's stretching out. It?s like when you?re waiting for your birthday party; it feels like forever!

shahzaib hassan PHYSICS - Special Relativity

What happens to an object's mass as it approaches the speed of light?

A. Mass decreases. B. Mass increases. C. Mass stays the same. D. Mass becomes negative.

Like(0)

disLike (0)

Comment(0)

Explanation

As objects go faster and closer to the speed of light, they get heavier! Imagine trying to push a big balloon; it gets harder to move as it gets bigger!

shahzaib hassan PHYSICS - Special Relativity

What does E=mc? represent?

A. Energy equals mass times speed. B. Energy equals mass times light speed squared. C. Energy equals mass plus speed. D. Energy equals mass divided by speed.

Like(0)

disLike (0)

Comment(0)

Explanation

This famous equation tells us that energy and mass are like best friends; they can change into each other! If you have a little bit of mass, it can turn into a lot of energy!

shahzaib hassan PHYSICS - Special Relativity

What is the principle of relativity?

A. Laws of physics are the same for all observers. B. Objects can change shape. C. Time is always constant. D. Speed is always the same.

Like(0)

disLike (0)

Comment(0)

Explanation

The principle of relativity says that no matter how fast you're moving, the rules of physics work the same way for everyone. It's like playing by the same rules in a game no matter where you are!

shahzaib hassan PHYSICS - Special Relativity

According to Einstein's theory, what happens to time as an object approaches the speed of light?

A. Time slows down. B. Time speeds up. C. Time stays the same. D. Time reverses.

Like(0)

disLike (0)

Comment(0)

Explanation

When things go really fast, like a rocket zooming through space, time for those things goes slower compared to things that are not moving as fast. It's like when you watch a slow-motion video!

shahzaib hassan PHYSICS - Special Relativity

What is the speed of light in a vacuum?

A. 300,000 km/s. B. 150,000 km/s. C. 450,000 km/s. D. 600,000 km/s.

Like(0)

disLike (0)

Comment(0)

Explanation

Light travels at a super-fast speed of about 300,000 kilometers every second. Imagine a race car going really fast; light is like the fastest car ever!