# Volume

## Trending Questions

**Q.**How is a Eureka can used to determine the volume of an irregular solid?

**Q.**

Displacement method is used for measuring the volume of an irregular solid.

**Q.**

The density of copper is $8.4g/c{m}^{3}$. What is the volume of $1Kg$ of copper?

**Q.**

How are loudness and amplitude related?

**Q.**

What is the capacity of a container?

**Q.**

Calculate the volume of copper of mass 2000 kg when it's density is 8.4 g/cc.

**Q.**

The density of copper is 9 g/cm3. Then the volume of 90 g copper is

810 cm3

10 cm3

90 cm3

9 cm3

**Q.**

The radius of Jupiter is 11 times the radius of the Earth. Calculate the ratio of the volumes of Jupiter and the Earth. How many Earths can Jupiter accommodate?

[3 MARKS]

**Q.**The radius of Jupiter is 11 times the radius of the Earth. Calculate the ratio of the volumes of Jupiter and the Earth. How many Earths can Jupiter accommodate?

**Q.**There is a square plot with side length equal to 13 m. A farmer wanted to grow grass on half his field and plough the remaining land to a depth of 40 cm. Find the volume of land ploughed?

169 m

^{2}52 m

^{2}84.5 m

84.5 m

^{2}

**Q.**

Alexander Graham Bell invented the door bell.

- True
- False

**Q.**

When an object is immersed in water , immerse in water level gives ____ of the object.

**Q.**The amount of sound energy passing per unit area in unit time is called _______ of sound.

- frequency
- wavelength
- intensity
- tone

**Q.**

The volume of a cube of side length l is __.

l2

l3

2l3

l2/2

**Q.**

A hydrometer has a bulb of volume 10.5 cm^{3} and the area of the cross-section of its stem is 0.3 cm^{2}. The hydrometer weighs 13.5 gf. Calculate the density of the liquid if only 4 cm of the length of the stem gets immersed in the liquid.

**Q.**

The loudness of sound increases on increasing the surface area of the vibrating object.

- True
- False

**Q.**

Volume cannot be defined for irregular objects.

True

False

**Q.**

Explain the uses of the reflection of sound.

**Q.**

The more the area of the vibrating body, the louder the sound.

- True
- False

**Q.**

1) The densityof a liquid is 600g/cm³ . Express it in kg/ m³?

2) Calculate the density of a solid from the following data -

a) mass of solid =72g

b) Initial volume of water in measuring cylinder = 24ml.

**Q.**

When we have to measure the volume of an irregular object for example when a stone is tied and then dip into water the volume of the string is also noted then the volume should be wrong? Why?

**Q.**Which of the following time periods of a sound wave would result in the highest pitch?

- 0.2 s
- 0.02 s
- 0.1 s
- 1 s

**Q.**The radius of Jupiter is 11 times the radius of the Earth. Calculate the ratio of the volumes of Jupiter and the Earth. How many Earths can Jupiter accomodate?

**Q.**

The area of a rectangular piece of a board is 36 cm2. If its thickness is 4 cm, what is the volume of the board?

26 cm

4 cm

9 cm

12 cm

**Q.**The area of a rectangular piece of board is 36 square centimetre. If its thickness is 4 cm, what is the volume of the board?

**Q.**The radius of Jupiter is 11 times the radius of the Earth. Calculate the ratio of the volumes of Jupiter and the Earth. How many Earths can Jupiter accomodate?

**Q.**A person hears 2 sounds -- one of 60dB, 100 Hz and other of 45dB, 700Hz. Which sound will the person receive to be louder?