Answer:Â (d) dynamo Use of eddy current is done except in dynamo. Eddy currents are currents that circulate in conductors like swirling eddies... View Article
In the above question magnetic nature of force is observed, magnets are attracted or repelled through a certain distance, from which we can... View Article
The pressure is thrust per unit area, hence it is directly proportional to thrust and inversely proportional to area. The units used for... View Article
Electricity is derived from the Greek word electron. The meaning of electron is amber which is either a yellow or reddish brownstone which is... View Article
Answer: Silk cloths: Negatively charged Glass rod: Positively charged When the glass rod is rubbed with silk clothes, glass quickly loses... View Article
Force can be defined as an effort that changes the state of motion or shape of an object. It can be a pull or push. The quantity of force is... View Article
A telescope forms real and highly diminished image. The real image produced is inverted; i.e., the top and bottom are reversed. When an object is... View Article
A compound microscope uses 2 lenses. The simplest form of a microscope is the magnifying microscope and is good to about ten times (10x)... View Article
For things to be visible there are two factors. First is when an object reacts with its surroundings. An example of this would you cannot see a... View Article
Force is defined as any effort that changes the state of motion or shape of an object. Thus all of the above situations require application of force.... View Article
The virtual image is an upright image that can be achieved where the rays seem to diverge but do not converge in reality. The virtual image is an... View Article
x = 75 cm, as for a plane mirror the distance between the object and the mirror is equal to the distance between the mirror and image. Â Â Â ... View Article
The angle of incidence is the angle formed between the incident ray and the normal to the reflecting surface. The incident rays and reflected... View Article
The image formed by a plane mirror is always virtual and erect. A plane mirror is a flat mirror that reflects light and produces a virtual... View Article
Answer (d) All the above A plane mirror is a flat mirror that reflects light and produces a virtual image without the intervention of an... View Article
The focal length of a plane mirror is infinity. Before letting know about the focal length of plane mirrors we will know what are plane mirrors?... View Article
