Visualising Square Root of a Number

Q. $\sqrt{2}$ lies between on the number line.

1. 0 and 1
2. 1 and 2
3. 2 and 3

Q. If ABCD is a square with area $36c{m}^2$, then the length of each side is _____________.

1. 56 cm
2. 6 cm
3. 16 cm
4. 36 cm

Q. If ABCD is a square with area $25c{m}^2$, then the length of each side is _____________.

1. 5 cm
2. 25 cm
3. 15 cm
4. 18 cm

Q. $\sqrt{2}$ lies between on the number line.

1. 0 and 1
2. 1 and 2
3. 2 and 3

Q. is an irrational number.

1. $2\sqrt{3}$
2. $0.1\overline{32}$
3. $5.\overline{46}$

Q. Upon adding a rational number and an irrational number, we get a/an ______ number.

1. whole
2. irrational
3. negative
4. rational

Q. What is the additive identity of irrational numbers?

1. 0
2. pi
3. 2
4. 1

Q.

What will happen if there are air bubbles in the tube while measuring atmospheric pressure?

1. Mercury will begin to get heated

2. It will add more unwanted pressure

3. None of these

4. Both A and B

Q.

The standard atmospheric pressure is :

1. 76 cm of Hg

2. 76 mm of Hg

3. 100 mm of Hg

4. 36 mm of Hg