Question
In a closed circuit containing a bulb and a cell, the electromotive force and terminal voltage are related
In a closed circuit containing a bulb and a cell, the electromotive force (ε) and the terminal voltage (V) is related as.…
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A ray of light is incident normally on a face of an equilateral prism
A ray of light is incident normally on a face of an equilateral prism. The ray gets totally reflected at the second…
Question
For a real image formed by a convex lens, the ratio of I : O = 2 : 5
For a real image formed by a convex lens, the ratio of I : O = 2 : 5, then the object…
Question
For a lever, a graph is plotted with load on Y-axis and effort on X-axis
For a lever, a graph is plotted with load on Y-axis and effort on X-axis. Which of the following represents the slope…
Question
Which combination is the correct ascending order of electromagnetic waves in terms of wavelength
Which one of the following combinations is the correct ascending order of electromagnetic waves in terms of wavelength? (a) Gamma-rays, visible light,…
Question
When a ray of light passes from one optical medium to another, which physical quantity does NOT change
When a ray of light passes from one optical medium to another, which of the following physical quantities does NOT change? (a)…
Question
What is the correct energy transformation during burning of a candle
What is the correct energy transformation during burning of a candle? (a) heat → kinetic + potential (b) heat → chemical +…
Question
Which among the following is a vector quantity
Which among the following is a vector quantity? (a) work (b) power (c) energy (d) moment of couple
Question
A body is acted upon by two equal and opposite forces
A body is acted upon by two equal and opposite forces, that are NOT along the same straight line. The body will…
Question
State one factor that affects the magnitude of induced current in an AC generator
(a) State one factor that affects the magnitude of induced current in an AC generator. (b) Given below is a circuit to…