Which of the following instruments consumes the highest current?
|
I. Electric iron II. Television set III. Torchlight IV. Immersion heater |
250v 220v 6v 110v |
1kW 110W 30W 500W |
In which of the following diagrams is the length of the tube equal to one wavelength?
Which of the following pairs is part of the electromagnetic spectrum?
I. Radio waves
II. sound waves
III. Gamma rays
IV. water waves
A substance has half of 3 min. After 6 min, the count rate was observed to be 400. What was its count rate at zero time?
The time rate of increase in velocity is called
