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Hello friendzz Please give me any 3 practical of chapter 1 motion of class 9 with aim apparatus drawing
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Answers
How is Barcelona and Madrid??
Welcome to India..................................
And in Indian style 'Nasmakar', 'Suswagatam' in India..................
Your answer:
1) Time period of simple pendulum.
2) Centre of gravity of a Triangle Lamina using a plumb line.
3)Verifying the Archimedes Principle's.
4) Plotting magnetic field lines of the Earth and of a bar magnet.
Hope, it may help you.
ANSWER
BOILING POINT OF WATER IN LABORATORY
1). The position of bulb should be slightly above the water level.
2).Stir the water continuously in beaker so that Temperature should remain constant.
The frequency of a source of sound is 100Hz. How many time does it vibrate in a minute?
Number of vibrations produce in 1sec= 100
Number of vibrations produced in 60 sec.= 100× 60= 6000
Now,
In 1 minute= 60 seconds
Thus,
Number of vibrations produced in 1 minutes= 6000
Name the adaptation of fish which helps it in each of the following:
(1). Swimming in water
(2). Breathing
Answer=)
(1). Fish have fins for swimming in water.
(2). They have gills for breathing in water.