HARD
Earn 100

10 liters of kerosene oil are found to weigh 6.80 kg. Find the density of kerosene oil in CGS syystem.

50% studentsanswered this correctly

Important Questions on Measurement and Units

MEDIUM

A jar is filled with two non-mixing liquids 1 and 2 having densities d1 and d2, respectively. A solid ball, made of a material of density d3, is dropped in the jar. It comes to equilibrium in the position shown in the figure. Which of the following is true for d1, d2 and d3?

Question Image

EASY
If a body is compressed to half its previous volume, its density:
EASY
In S.I. unit, the maximum density of water is :
MEDIUM
The volume of a 500 g sealed packet is 350 cm3. Will the packet float or sink in water if the density of water is 1 g cm-3? What will be the mass of the water displaced by this packet?
EASY
What are the units of density?
EASY
For determining the density of a copper piece using a spring balance and a measuring cylinder, Seema carried out the following procedure:
i. Noted the water level in the measuring cylinder without the copper piece.
ii. Immersed the copper piece in the water.
iii. Noted the water level in the measuring cylinder with the copper piece inside it.
iv. Removed the copper piece from the water and immediately weighed it using a spring balance.
The wrong step in the procedure is
EASY

While determining the density of the material of body a student recorded the following observations:

(i) Mass of the body =62.4 g

 (ii) Reading of water level in the measuring cylinder without body 16.4 mL

 (iii) Reading of water level in the measuring cylinder with body =24.4 mL. Based on these observations, the density of material of the body in kg m-3 is

EASY
While determining the density of copper piece using spring balance and a measuring cylinder, Nitin carried out the following procedure:
(i) Noted the water level in the measuring cylinder without the copper piece.
(ii) Immersed the copper piece in the water.
(iii) Noted the water level in the measuring cylinder with the copper piece inside it.
(iv) Removed the copper piece from the water and immediately weighed it using a spring balance.
The wrong step in the produce is:
EASY
The volume of a substance is 20 cm3. The mass of the substance if its relative density is 2.5 will be _____.
MEDIUM
The density of gold is 19 g cm-3. Find the volume of 95 g of gold.
EASY
The volume of 50 g of a substance is 20 cm3. If the density of water is 1 g cm-3 will the substance float or sink?
EASY
The formula to calculate density of a given substance is:
EASY
While performing the experiment 'to determine the density of a solid, four measuring cylinders with least counts 2.5 mL, 1.0 mL, 0.5 mL and 0.2 mL are available. Which one will you prefer for finding the density of a solid accurately?
EASY

A piece of steel has a volume of 12 cm3 and a mass of 96 g. What is its density in g cm-3?

EASY
A solid object of mass 200 g and volume 250 cm3 is put in water. Will it float or sink?
EASY
The amount of matter contained in a unit volume is called:
EASY
Define density. What is SI unit of density?
EASY
The mass of an empty 40 litre petrol tank of a vehicle is 8 kg. What will be its mass when filled completely with a fluid of density 700 kg m-3.