PHYSICS TEST -1

which one of the following scale allows addition, subtraction, multiplication and division?

• ratio scale

• nominal scale

• interval scale

• ordinal scale

which one of the following is not a fundamental physical quantity?

• density

• temperature

• mass

• current

Which of the following is a vector quantity?

• Temperature

• Mass

• Velocity

• Time

Which physical quantity is measured in units of Newton?

• Mass

• Force

• Length

• Time

Which scale is used to measure temperature in degrees Celsius?

• Ratio scale

• Nominal scale

• Interval scale

• Ordinal scale

how many minutes is 3hour ₊ 10minute ₊ 120second?

• 212min

• 202min

• 192min

• 182min

What is the SI unit of electric current?

• Ohm

• Volt

• Ampere

• Watt

which one is not correct about simple machine?

• machine helps us to make work easier

• machine create energy to help us

• machine act as force multiplier

• machine act as speed multiplier

the loudness of a sound wave is related to its

• period

• frequency

• wavelength

• amplitude

at what temperature do the the Fahrenheit and Celsius scale read the same value?

• 40°C, 40°F

• − 40°C, 40°F

• −40°C, −40°F

• 40°C, −40°F