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Area of a triangle = 1/2 × b × h => 1/2 × 14.8 × 8 = 59.2 cm²
What type of radiation is produced by a hot object emitting energy?
Which device is best suited for measuring the temperature inside metallurgical furnaces?
If lift is going up with acceleration, the apparent weight of a body is -
Two identical piano wires have same fundamental frequency when kept under the same tension. What will happen if tension of one of the wire is slightly i...
A projectile is fired at an angle θ and reaches maximum height H and range R. The angle between velocity and acceleration at the highest point is:
What term refers to the superposition of two or more coherent waves to produce regions of maxima and minima?
The resistance of the human body (dry condition) is of the order of –
Which of the following statement is correct?
I. The incident ray, the normal at the point of incidence and the reflected ray all lie in the sa...
Which of the following phenomena cannot be explained by the wave theory of light?
In which medium can sound not travel?
