# Even more challenging physics quiz

### starting easy and progessing to hard questions. a basic knowledge of physics would help! 15 Questions.

 Created by: ingy Played: 535 times Comments: 1 comment Favs: 0 users like this quiz Rating: 4 stars 3.6 out of 5, based on 8 votes

1

• Amp
• Volt
• Watt

2

• (1/2)mv^2
• mgh
• mc^2

3

### If a galaxy is hurtling towards us will its light be?

• Red-shifted
• Yellow-shifted
• Blue-shifted

4

• 180
• 90
• 93

5

### An insect flying down a railroad at 1 m/s collides with the windshield of an oncoming train travelling at 130km/hr, which exerts a higher force on the other?

• The windshield on the insect
• The insect on the windshield
• They produce equal force

6

### Which experiences the greatest pressure at the bottom?

• A 10m deep, 20 km wide lake
• A 20 m deep, 10 km wide lake
• A 25 m deep, 1 m wide well

7

• Lithium
• Helium
• Hydrogen

8

### Leaving your fridge door open in an enclosed room will have what effect to the temperature in the room? (assuming no heat transfer in or out of the room)

• Raise the temp
• Lower the temp
• Have no effect

9

• 3
• 4
• 5

10

• 201m
• 3217m
• 0m

11

### Impulse is best related to what?

• Change in momentum
• Momentum
• Change in kinetic energy

12

### If the frequency of sound is doubled, what effect is had on the wavelength?

• Wavelength doubles and the speed remains unchanged
• Wavelength halves and the speed remains unchanged.
• Wavelength is unchanged and the speed doubles.

13

### If the earth were to suddenly stop rotating but didnt change shape, which of these would be true?

• The weight of an object at the equator would decrease.
• The weight of an object at the north pole would increase.
• The weight of an object at the equator would increase.

14

### Two coins are dropped from two different buildings. coin one falls freely for 4seconds and coin two falls freely for 8 seconds. Compared to coin one, coin two falls how much farther?

• Twice as far
• Four times as far
• Sixteen times as far

15

### If the net force on an object were doubled while at the same time the mass of the object was halved, then the acceleration of the object is what?

• 4 times greater
• 2 times greater
• 1/4 as great