Unit and dimensions

Question 1

Which physical quantity is measured in kelvins?

Accepted Answer

Temperature

Answer

Energy

Answer

Pressure

Answer

Electric current

Question 2

How long is a standard Olympic swimming pool?

Accepted Answer

50 metres

Answer

25 metres

Answer

100 metres

Answer

40 metres

Question 3

In dimensional analysis, which formula represents force?

Accepted Answer

M L^2 T^-2

Answer

M T^-2

Answer

M L T^-2

Answer

M L^-1 T^-2

Question 4

Which pair consists only of dimensionless quantities?

Accepted Answer

Strain and refractive index

Answer

Frequency and angular velocity

Answer

Velocity and acceleration

Answer

Mass and density

Question 5

In U.S. cooking, how many teaspoons make one tablespoon?

Accepted Answer

3

Answer

4

Answer

2

Answer

6

Question 6

Which measurement is abbreviated DPI in printing and screen specifications?

Accepted Answer

Dots per inch

Answer

Lines per inch

Answer

Pixels per inch

Answer

Samples per inch

Question 7

Which artist drew the Vitruvian Man, a study of human proportions?

Accepted Answer

Leonardo da Vinci

Answer

Michelangelo

Answer

Raphael

Answer

Sandro Botticelli

Question 8

In cinema, what does 35 mm describe about traditional film stock?

Accepted Answer

Width of the film strip

Answer

Speed through the projector

Answer

Diameter of the camera lens

Answer

Height of each frame

Question 9

Which SI prefix represents one-billionth of a measurement?

Accepted Answer

Nano

Answer

Milli

Answer

Micro

Answer

Pico

Question 10

A nautical mile originally corresponds roughly to one minute of what?

Accepted Answer

Latitude

Answer

Compass bearing

Answer

Longitude

Answer

Elevation