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N ≥ M ≥ O > V N > V. Hence conclusion I is true. N ≥ M ≥ O ≤ R No relationship can be established between R and N. Hence conclusion II is not true. U < N ≥ M ≥ O No relationship can be established between O and U. Hence conclusion III is not true.
Mirror formula is
The ratio of the total distance traveled by a body to the total time taken is its:
An example of longitudinal waves (in a gas medium) is:
A car increases its speed from 20 m/s to 60 m/s in 8 seconds. Find its acceleration.
Which of the following materials is used for the generation of ultrasonic waves by using magnetostriction effect?
A 220 V, 100 W bulb is connected to a 110 V source. Calculate the power consumed by the bulb