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CBSE Questions

Total Questions 9982
A block of wood of mass 5 kg and dimensions 40 cm x 20 cm x 10 cm is placed on a table top. Find the pressure exerted if the block lies on the table top with sides of dimensions i) 40 cm x 10 cm ii) 40 cm x 20 cm
Calculate the molar mass of S8
Find the ratio of the pressure exerted by a block of 200 N when placed on a table top along its two different sides with dimensions 20cm x 15cm and 30cm x 15cm
how can we determine the density of a solid object by using archimedes' principle?
How is it easier to swim in sea water than in river water?
What is the magnitude of buoyant force experienced by a body?
Why a ship made of iron and steel does not sink in sea water but while the same amount of iron and steel in the form of sheet would sink?
While drawing water from well why does the bucket of water feels heavier when it is out of water?
While swimming our body feels lighter why?
Why a truck or motorbus have much wider tyres?
Why an army tank weighing more than a thousand tonne rest upon a continuous chain?
Noble gas show less reactivity. Why?
Ions are more stable than atoms. why?
What is meant by the term chemical formula?
The chemical property of an element is determined by the atomic mass or atomic number of an atom. Give reason
State the number of hydrogen atoms in 1g of hydrogen
WHAT IS MEAN BY PATRONAGE?
How can we determine the density of a solid object by using Archimede's principle ?
Why do planets and other celestial objects revolve around a gravitational point ,like the sun, and not go straight into it?
Rahul david fielding batsman. [at/near/on]. --------