equation of a stright line passing through the origin and making with x-axis an angle twice the size of the angle made by the line y=0.2x with x-axis, is:
What is dimension of flux
While multiplying 2 vectors how do I know if I should use dot product or cross product?
What exactly does a diode do?
ax^2+bx=6=0, has no two real and distinct roots then find the value of 3a+b.
A concave mirror of small aperture forms a sharper image, Why?
How does the focal lenght of the lens changes when color of the light falling on the lens changes?
Direction of the flag?
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