A train has an initial velocity of 44ms-1 and an acceleration of -4ms-1. Its velocity…
A train has an initial velocity of 44ms-1 and an acceleration of -4ms-1. Its velocity after 10 seconds…
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If the pressure on 100cm3 of an ideal gas is doubled while its kelvin temperature…
If the pressure on 100cm3 of an ideal gas is doubled while its kelvin temperature is halved, then…
The range of wavelengths of the visible spectrum is 400nm – 700nm. The wavelength of…
The range of wavelengths of the visible spectrum is 400nm – 700nm. The wavelength of gamma rays is…
Which of the following statements about defects of vision is/are CORRECT? i. for a long…
Which of the following statements about defects of vision is/are CORRECT? i. for a long sighted person, close…
which of the following is NOT correct? i. the pitch of a sound note depends…
which of the following is NOT correct? i. the pitch of a sound note depends on the frequency…
A ship travelling towards a cliff receives the echo of its whistle after 3.5 seconds….
A ship travelling towards a cliff receives the echo of its whistle after 3.5 seconds. A short while…
Which of the following statements is true about liquid pressure is NOT correct? The pressure
Which of the following statements is true about liquid pressure is NOT correct? The pressure A. at a…
If relative density of a metal is 19, what will be the mass of 20cm3…
If relative density of a metal is 19, what will be the mass of 20cm3 of the metal…
The refractive index of liquid is 1.5. If the velocity of light in vacuum is…
The refractive index of liquid is 1.5. If the velocity of light in vacuum is 3.0 x 108ms-1,…
The force with which an object is attracted to the earth is called its
The force with which an object is attracted to the earth is called its A. acceleration B. mass…