Which of the following colours of surfaces will radiate h...
Which of the following colours of surfaces will radiate heat energy best?
Red
White
Black
Yellow
Blue
Correct answer is C
No explanation has been provided for this answer.
The phenomenon by which two light atomic nuclear combine to form a heavy nuclide with the release of...
A sonometer wire of linear density 0.08kg m-1 subjected to a tension of 800N is plucked. Calculate t...
A wooden block of mass 1.6kg rest on a rough horizontal surface, if the limiting friction force betw...
What happens when three coplanar non-parallel forces are in equilibrium? ...
Which of the following physical qualities affects the saturated vapour pressure of a liquid?...
Which of the following is a desirable property of a fuse Wire? ...
A body of mass M1 moving with a velocity U collides with a stationary body of mass M2 and both move ...
An object is placed 36cm from a converging lens of focal length 24cm.If a real image which is 4cm hi...
I. A scalar quantity has only magnitude II. A scalar quantity has both magnitude and direction III...
In fig 6, a ray of light in air strikes a glass plate at an angle of incidence 60 degrees, the refle...
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