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Let E be the event of getting an even number on one die and an odd number on the other E = {( (1,2) (1,4) (1,6) (2,1) (2,3) (2,5) (3,2) (3,4) (3,6) (4,1) (4,3) (4,5) (5,2) (5,4) (5,6) (6,1) (6,3) (6,5)} So, n (E) = 18 n(E) / n(S) = 18/36 = ½.
Ratio of intensities of two waves with amplitudes 2 and 3 is:
Which of the following is an alpha particle which is emitted in radioactivity?
The storage battery of a car has an emf of 15 V. If the internal resistance of the battery is 0.5 Ω, what is the maximum current that can be drawn from...
The order of wavelengths for ordinary light is:
The weight (W) of a body is derived from which formula?
A spherical black body with a radius of 8 cm radiates 450-watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated...
Which law states that “an object remains at rest or in uniform motion unless acted upon by an external force”?
The resistance of a conductor ________ and a semiconductor _________ on heating.
An object is placed at a distance of 10 cm in front of a double convex lens made of glass of refractive index 1.5. Both the radii of curvature of the le...
In AC circuits, AC meters measure –