Question
The Pointing vector of electromagnetic waves has the
same dimensions as that of:Solution
The correct answer is C
The electric and magnetic fields of an electromagnetic wave are _____________
Which of the following is the principle behind the working of a hydraulic press?
One kilogram of ice at 0° C is mixed with one kilogram of water at 85° C. The final temperature of the mixture is
(Tale specific heat of ...
The work done by a centripetal force on an object moving in a circular path is:
A particle moves along the x-axis such that its velocity varies with position as
v(x) = k√(a2 – x2)
where k...
Which one of the following is not a function of the liver?
A galvanometer coil has a resistance of 14 Ω and the metre shows full scale deflection for a current of 4 mA. How will you convert the metre into a vo...
A ball is projected from the ground at 45°. It strikes a vertical wall and rebounds with the same speed making the same angle on the other side. If th...
A train approaches a stationary observer with a speed of 36 km/h. It emits a sound of frequency 500 Hz. If the speed of sound is 340 m/s, what is the ap...
Which of the following is a characteristic of a conductor?
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