Question
Karun got 30% concession on the labelled price
of an article and sold it for Rs. 8750 with 25% profit on the price he bought. What was the labelled price ?Solution
A particle moves along the x-axis such that its velocity varies with position as
v(x) = k√(a2 – x2)
where k...
A device used for converting A.C. into D.C. is called –
When a liquid is heated in a container, which of the following processes primarily causes the heat transfer within the liquid? Â
Find the power if a force of 100 N displaces an object by 10 m in 5 seconds.
For CE-transistor amplifier, the audio signal voltage across the collected resistance of 3 k Ω is 3V. Assume the current amplification factor of the t...
In order to investigate the internal atomic structure of crystals, we make use of:
What is the principle behind the working of a transformer? Â
For a cell terminal potential difference is 3.5 V when circuit is open and reduces to 2.5 V when cell is connected to a resistance of R = 10Ω then...
Which of the following phenomena cannot be explained by the wave theory of light?
Which law states that "the rate of heat loss of a body is directly proportional to the temperature difference between the body and its surroundings"?
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