Fundamental Units in SI

Q.

What is the dimensional formula for the time period?

Q.

The temperature of an object is 60$°$C. What is its temperature on Fahrenheit Scale?

Q.

Name any four fundamental quantities and their SI units.

Q. A triangle with an area of $150c{m}^2$ has a base length of $50cm$. What is its height?

1. $3cm$
2. $6cm$
3. $9cm$
4. $12cm$

Q.

The length of a side of a square is $10cm$. What is its area in square meter?

1. $0.01m^2$

2. $0.1m^2$

3. $0.001m^2$

4. $1m^2$

Q. The basic unit(s) in international system of units is/are:

1. Ampere
2. Second
3. Mole
4. Newton

Q. Which of the following units is a fundamental unit in SI system of units?

1. Watt
2. Joule / sec
3. Ampere
4. Newton

Q.

Current is measured by a fundamental unit. What is that?

1. Ampere

2. Metre

3. Seconds

4. Kelvin

Q. Pick the derived physical quantity.

1. Electric current
2. Volume
3. Length
4. Mass

Q. Which of the following measurement is not measured in SI base unit?

1. $5m$of cloth
2. $20s$of time
3. Surface area of $25c{m}^2$
4. $2kg$of Silver

Q.

Which one is a fundamental unit? i) Coulomb ii) Seconds iii) Joule iv) Volt

1. Coulomb

2. Seconds

3. Joule

4. Volt

Q.

Which of the following is/are fundamental unit?

1. Meter

2. Kilogram

3. Kelvin

4. Cubic meter

Q. Arrange the following values in ascending order.

1. $3$ km
2. $5000$ m
3. $500$ cm
4. $0.6$ km

Q.

Express the following as metre (m) using decimals.

$215cm$

Q. Which of the following sets cannot enter into the list of fundamental quantities in any system of units?

1. Length, Mass and Velocity
2. Length, Time and Velocity
3. Mass, Time and Velocity
4. Length, Time and Mass

Q.

The SI unit of area is square metre.

1. False

2. True

Q. Which measurement would you use to measure the length of a piece of paper?

a) centimetre
b) metre
c) kilometre
d) litre
[1 mark]

Q.

Current is measured by a fundamental unit. What is that?

1. Kelvin

2. Ampere

3. Metre

4. Seconds

Q.

One Square Kilometre is the area of a square whose each side is equal to 1 km.

1. False

2. True

Q. The prefix 'milli' stands for one hundredth of the stated unit.

1. False
2. True

Q.

Which type of balance is used in laboratary?

Q.

$1006cm=\_\_\_\_\_\_\_\_m$

Q. What is the SI unit used to measure temperature?

1. Kelvin
2. Ampere
3. Volt
4. Ohm

Q. A physical quantity can have:

1. Magnitude
2. Unit
3. Shape
4. Quality

Q. Amount of matter contained in a body is called:

1. Mass
2. Density
3. Volume
4. Area

Q. Arrange the following values in ascending order.

1. $3$ km
2. $5000$ m
3. $500$ cm
4. $0.6$ km

Q. Choose the pairs of physical quantities and their units.

1. Electric current
2. Amount of substance
3. Luminous Intensity
4. Luminous Flux
5. Ampere
6. mole
7. candela
8. lumen

Q.

The SI unit of Mass is __.

1. kilogram

2. pound

3. milligram

4. gram

Q. What is the unit of electric current?