State whether the specific heat capacity of a substance
(i) State whether the specific heat capacity of a substance remains the same when its state changes from solid to liquid.
(ii) Give one example to support your answer.
Given below are two stages in the evolution of man
Given below are two stages in the evolution of man. Study them and answer the questions that follow:
- Identify Australopithecus and Neanderthal man from the above pictures.
- Mention two characteristic ...
A wire of length 80 cm has a frequency of 256 Hz
- A wire of length 80 cm has a frequency of 256 Hz. Calculate the length of a similar wire under similar tension, which will have frequency 1024 Hz.
- A certain sound has a frequency of 256 hertz and a ...
State any two objections imposed by the Treaty of Versailles
State any two objections imposed by the Treaty of Versailles on the German military power.
Write a relationship between angle of incidence and angle of refraction
Write a relationship between angle of incidence and angle of refraction for a given pair of media.
But a caged bird stands on the grave of dreams
Read the extract given below and answer the questions that follow:
But a caged bird stands on the grave of dreams
His shadow shouts on a nightmare scream
His wings are clipped and his feet are tied
Name the Signatory Countries of the Triple Alliance
Name the Signatory Countries of the Triple Alliance
The diagrams given below represent the relationship between a mouse and a physiological process
The diagrams given below represent the relationship between a mouse and a physiological process that occurs in green plants. Study the diagrams and answer the questions that follow:
- Name the ...
The type of waste generated in hospitals and pathological laboratories
The type of waste generated in hospitals and pathological laboratories.
Give appropriate biological / technical term.
Define moment of force
(i) Define moment of force.
(ii) Write the relationship between the SI and CGS unit of moment of force.
Copper sulphate solution is electrolysed using copper electrodes
State one observation: Copper sulphate solution is electrolysed using copper electrodes
A solid metal weighing 150 g melts at its melting point of 800° C by providing heat at the rate of 100 W
A solid metal weighing 150 g melts at its melting point of 800° C by providing heat at the rate of 100 W. The time taken for it to completely melt at the same temperature is 4 min. What is the...
Priyanka has a recurring deposit account of ₹1000 per month at 10% per annum.
Priyanka has a recurring deposit account of ₹1000 per month at 10% per annum. If she gets ₹5550 as interest at the time of maturity, find the total time for which the account was held.
Name two factors on which the heat energy liberated
Name two factors on which the heat energy liberated by a body depends.
A pair of corresponding chromosomes of the same shape and size
A pair of corresponding chromosomes of the same shape and size and derived one from each parent.