Quiz on Physics

The instrument that measures and records the relative humidity of the air is

• Hydrometer

• Hygrometer

• Lactometer

• Barometer

The shape of our milky way galaxy is

• circular

• elliptical

• spiral

• none of the above

The different colors of different stars are due to the variations of

• temperature

• pressure

• density

• radiation from them

The instruments that used to measure the force and velocity of the wind

• ammeter

• anemometer

• altimeter

• audiometer

Which combination of color is the most convenient during day and night time

• orange and blue

• white and black

• yellow and blue

• red and green

If a girl is climbing up a ladder while carrying a light bulb, is she doing any work?

• yes, the object is moving in the direction of the force

• yes, she has something in her hand

• no, she is not moving the object

• no, the bulb doesn't weigh enough to count

If a girl is climbing up a ladder while carrying a light bulb, is she doing any work?

• yes, the object is moving in the direction of the force

• yes, she has something in her hand

• no, she is not moving the object

• no, the bulb doesn't weigh enough to count

How much work is a cat doing if it is picking up a dead mouse (1N) off the ground? (.2m)

• none, cats don't do work

• none, the mouse is not alive

• 0.2 J of work

• 1.2 J of work

What is energy?

• the ability to turn on a light

• the amount of electricity needed to light one light bulb

• the ability to do do work

• the temperature of an oven when making brownies