Question
The working principle of a 'Washing machine' is
:Solution
The principle behind the spinning dry of the clothes in a washing machine is centrifugal force.The fast spinnin garound of the clothes in the drum creates a large centrifical force from center to the edge of the drum, and the wet clothes are flung outwards to the drum edge and the water escapes through the drum holes.
Which one of the following is a compound?
A positively charged particle enters a uniform electric field directed downward. The force acting on the particle is:
What is the reason for twinkling of stars?
Which one of the following crops enriches nitrogen content in the soil?
Which device is used to measure atmospheric pressure?
Which of the following vitamin contains Cobalt?
The spokes used in the wheel of a bicycle increase its –
Electromagnetic waves travelling in a medium having relative permeability μr = 1.2 and relative permittivity Er = 0.012. The speed of electromagnetic w...
What is the main cause of the 'Itai-Itai' disease?
Which enzyme is present in human saliva?