Question
Select the combination of letters that when sequentially
placed in the blanks of the given letter series will complete the series. s _ _ _ t u _ _ t u v w _ _ u v _ xSolution
The complete series is ‘s t u / s t u v / s t u v w / s t u v w x’. So, the correct set of letters which sequentially placed to complete the series is ‘tusvsstw’.
The half-life of a radioactive substance is 10 days. The time in which only 1/8th of the original substance remains is:
Which of the following phenomena cannot be explained by the wave theory of light?
What is the speed of sound in air at room temperature (20°C)?
A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration-of the particle is –
Which of the following quantities is a scalar?
Which of the following correctly ranks molecular speeds at a fixed temperature?
The time period of a second’s pendulum is –
When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance?
A train runs along an unbanked circular track of radius of 10 m at speed of 36 km/h. The mass of the train is 16 kg.
What is the an...
In an electric motor, energy is transformed from:
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