A particle moves in a circular orbit of radius 0.02m. If the speed of the…
A particle moves in a circular orbit of radius 0.02m. If the speed of the particle is 0.88ms-1,…
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Which of the following statements describes an atom accurately? i. atoms of all elements are…
Which of the following statements describes an atom accurately? i. atoms of all elements are identical ii. an…
A small steel needle is carefully floated on water in a beaker. When a few…
A small steel needle is carefully floated on water in a beaker. When a few drops of kerosine…
A body of mass 5kg initially at rest is acted upon by two mutually perpendicular…
A body of mass 5kg initially at rest is acted upon by two mutually perpendicular forces 12N and…
If a solid changes directly into a gas when heat is applied the process is…
If a solid changes directly into a gas when heat is applied the process is called A. vaporization…
A plane inclined at an angle of 30o to the horizontal has an efficiency of…
A plane inclined at an angle of 30o to the horizontal has an efficiency of 60%. The force…
Dewpoint is the temperature at which, water vapour in the atmosphere
Dewpoint is the temperature at which, water vapour in the atmosphere A. turns into steam B. solidifies into…
The lower and upper fixed points marked on a mecury-in-glass thermometer are 210mm apart. The…
The lower and upper fixed points marked on a mecury-in-glass thermometer are 210mm apart. The end of the…
Which of the following statements is (are) NOT correct? i. pressure changes do not affect…
Which of the following statements is (are) NOT correct? i. pressure changes do not affect the speed of…
Of two identical tuning forks with natural frequency 256Hz, one is loaded so that 4…
Of two identical tuning forks with natural frequency 256Hz, one is loaded so that 4 beats per second…