Electric Circuits and their Components
The devices which deliver electricity are called the 'sources'. Lamps, electric engines, etc. which consume electricity are called loads. Switches are used to switch the loads on and off whenever necessary. Hence, the source, the loads, and the switches are connected to form electrical circuits. Th..
The devices which deliver electricity are called the 'sources'. Lamps, electric engines, etc. which consume electricity are called loads. Switches are used to switch the loads on and off whenever necessary. Hence, the source, the loads, and the switches are connected to form electrical circuits. Th..Derivation of Lens Formula (Concave Lens)
Let AB represent an object placed at right angles to the principal axis at a distance greater than the focal length f of the convex lens. The image A 1 B 1 is formed between O and F 1 on the same side as the object is kept and the image is erect and virtual. OF 1 = Focal length = f OA = Object dist..
Let AB represent an object placed at right angles to the principal axis at a distance greater than the focal length f of the convex lens. The image A 1 B 1 is formed between O and F 1 on the same side as the object is kept and the image is erect and virtual. OF 1 = Focal length = f OA = Object dist..Case II
When h I > h..
When h I > h..Derivation of Lens Formula (Convex Lens)
Case I Convex Lens..
Case I Convex Lens..Derivation of Lens Formula (Concave Lens) Derivation of Lens Formula (Concave Lens) - Let AB represent an object placed at right angles to the principal axis at a distance greater than the focal length f of the convex lens. The image A 1 B 1 is formed between O and F 1 on the same side as the object is kept and the image is erect and virtu..
Derivation of Lens Formula (Concave Lens) - Let AB represent an object placed at right angles to the principal axis at a distance greater than the focal length f of the convex lens. The image A 1 B 1 is formed between O and F 1 on the same side as the object is kept and the image is erect and virtu..Mirror Formula (Convex Mirror)
Mirror Formula (Convex Mirror) - Let AB be an object placed on the principal axis of a convex mirror of focal length f. u is the distance between the object and the mirror and v is the distance between the image and the mirror. But DE = AB and when the aperture is very small EF = P..
Mirror Formula (Convex Mirror) - Let AB be an object placed on the principal axis of a convex mirror of focal length f. u is the distance between the object and the mirror and v is the distance between the image and the mirror. But DE = AB and when the aperture is very small EF = P..Image Formation When an Object is Placed between Two Inclined Mirrors
It has been found that if the mirrors are inclined at an angle q then the number of images is given by the relation If is not a whole number, then the number of images will be rounded off to the nearest integer. This can be verified by actual drawing. If the mirrors are inclined at 120 o the number..
It has been found that if the mirrors are inclined at an angle q then the number of images is given by the relation If is not a whole number, then the number of images will be rounded off to the nearest integer. This can be verified by actual drawing. If the mirrors are inclined at 120 o the number..Rating of Electrical Appliances
Rating of Electrical Appliances - Generally electrical appliances such as an electric bulb, geyser, heater, etc. are rated with power and voltage. If a bulb is rated 100W - 250V, it means that when a bulb is lit on a 250V supply, it consumes 100 W of electric power. This means that, 100 J of electr..
Rating of Electrical Appliances - Generally electrical appliances such as an electric bulb, geyser, heater, etc. are rated with power and voltage. If a bulb is rated 100W - 250V, it means that when a bulb is lit on a 250V supply, it consumes 100 W of electric power. This means that, 100 J of electr..Conditions of Combustion
Combustion - The burning of a substance is called combustion. It is an exothermic process (chemical reactions which give out heat to the surroundings are called exothermic reactions). E.g., Burning of coal Burning of butane gas (g - gas form) The common observation in the above reactions is that ox..
Combustion - The burning of a substance is called combustion. It is an exothermic process (chemical reactions which give out heat to the surroundings are called exothermic reactions). E.g., Burning of coal Burning of butane gas (g - gas form) The common observation in the above reactions is that ox..Hydrogen Bomb
The basic principle involved in the preparation of hydrogen bomb is nuclear fusion. A nuclear fission reaction initiates the fusion reaction. In a hydrogen bomb the set up for fission reaction is surrounded by a mixture of deuterium ( 2 1 H) and lithium. The nuclear fission reaction liberates hea..
The basic principle involved in the preparation of hydrogen bomb is nuclear fusion. A nuclear fission reaction initiates the fusion reaction. In a hydrogen bomb the set up for fission reaction is surrounded by a mixture of deuterium ( 2 1 H) and lithium. The nuclear fission reaction liberates hea..See what our Users say :
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