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).
Which of the following is not a simple machine?
Consider the following three nuclear reactions:
Wh...
The radiation initially produced in fluorescent tube is –
Vinegar, commonly used in cooking, is primarily composed of which acid?
Which of the following is a plant hormone?
A body of mass 4 kg falls freely from a height of 5 m. What is its kinetic energy just before it hits the ground? (Take g = 10m/s²)
A metal sphere is heated. Which property remains unchanged?
1 mole of carbon atoms = ______ g of carbon atoms
A black body at temperature 500 K emits radiation. If its temperature is doubled, by what factor does its emitted power increase?
