EASY
10th ICSE
IMPORTANT
Earn 100

With the help of a suitable diagram show how white light gets split into its constituent colours.

Important Questions on Practice Papers for Revision

EASY
10th ICSE
IMPORTANT
A given sound wave, having a time period of 10-4 sec has a wavelength of 0.340 m. If another sound wave has a lower period of 10-6 sec, find the frequency and wavelength of the new wave.
EASY
10th ICSE
IMPORTANT
Name the four colours of the spectrum of white light which have wavelength more than that of blue light.
EASY
10th ICSE
IMPORTANT
Draw a neat and labelled diagram of a calorimeter. Why is it made of copper?
EASY
10th ICSE
IMPORTANT
What is the approximate temperature at which the water boils in a pressure cooker?
EASY
10th ICSE
IMPORTANT
What is evaporation? State three differences between evaporation and boiling?
EASY
10th ICSE
IMPORTANT
20 g of ice at 0oC is added to 100 g of water at 50oC. When all the ice has melted the final temperature of the mixture is 25oC. Calculate the specific latent heat of fusion of ice? (Take specific heat of water is S=4.2 J g-1 °C-1)