Question
When seen through a mirror, a clock shows 09:35 hrs. The
correct time is ____.Solution
The figure is shown below:
It is clear from left figure that if seen through a mirror the time indicated is 09: 35 hrs. When the mirror is placed vertically at AB, shows the actual time in the clock i.e., 02: 25 hrs (right figure).
In which type of wave do the particles of the medium vibrate perpendicular to the direction of wave propagation?
The half-life of a radioactive substance is 5 hours. How much of the substance remains after 15 hours?
Going from fluorine to chlorine, to bromine and then to iodine, the electro negativity:
What is the escape velocity from the surface of the Earth?
Why does a fountain pen leak on an airplane flying at high altitude?
What type of radiation is produced by a hot object emitting energy?
Which of the following gas is used in the manufacture of Vanaspati Ghee?
What does Ohm's Law state?
Which of the following is a characteristic of a conductor?
The resistance of a wire is directly proportional to:
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