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Posted by Sahil Gupta 7 years, 2 months ago
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Posted by Shiv Shankar Maurya 7 years, 2 months ago
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Posted by Shiv Shankar Maurya 5 years, 11 months ago
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Ram Kushwah 7 years, 2 months ago
Here a= 60cm,b=45 cm,c=32 cm
volume of wood required = surface area x thickness
SA=2(ab+bc+ca)
=2( 60x45+45x32+32x60)
=2(2700+1440+1920)
=2x6060=12120 sq cm
Volume of woof=12120 x2.5 =30300 cm cube
Inner walls of the the box
a=60-2x2.5=55 cm b=45-5=40 cm c=32-5=27 cm
volume or capacity= abc=55 x 40x27=59400 cm cube
Posted by Yash3K Khan 7 years, 2 months ago
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Posted by Diwakar Verma 7 years, 2 months ago
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Diwakar Verma 7 years, 2 months ago
Yogita Ingle 7 years, 2 months ago
One side rhombus = 13 cm
Length of one diagonal = 10 cm
Property to use: diagonals of rhombus bisect each other at 90 degree
taking 1/4 portion of rhombus (triangle)
base = 5 cm (half of diagonal)
hypotnuse = 13 cm
for perpendicular use pythagoras theorem
h2 = b2 + p2
on putting the values in the equation and then solving it we get perpendicular(p)= 12cm
therefore diagonal = 2p= 24cm
Posted by Md Saddam 7 years, 2 months ago
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Yogita Ingle 7 years, 2 months ago
- Directive property of magnet is used to prepare magnetic compass. Compass is an instrument which is used to find the directions.
- Applications of magnets include various appliances like electric motor, doorbell, fan, washing machine, television, electric generator and various types of toys.
- Magnets are used to hold objects like the doors of the refrigerator, pencil box lids, magnetic stickers etc.
Posted by Madhura Badarayani 7 years, 2 months ago
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Posted by Gujraj Singh 7 years, 2 months ago
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Yogita Ingle 7 years, 2 months ago
Eyes are the sense organs which give us the sense of vision. The human eye is almost spherical in shape. Following are the main structures in the human eye.
Cornea: The eyeball is covered with a tough layer. This layer is transparent on the front. This transparent portion is called cornea.
Iris: Iris is a thin circular structure. It works like the shutter of a camera. It controls the amount of light entering the eye. The colour of iris imparts distinct colour to the eyes of an individual. A person with blue iris has blue eyes.
Pupil: There is a hole in the centre of iris. This is called pupil. Light enters the eye through the pupil. When the light is bright, iris contracts and thus allows less light into the eye. When the light is dim, iris dilates and thus allows more light into the eye.
Lens: Lens is present behind the pupil. The lens in the human eye is a convex lens. The size and thickness of the lens change as per the distance of an object.
Posted by Mukul Garg 7 years, 2 months ago
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Posted by Shashidhar Sankonatti 7 years, 2 months ago
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Gaurav Seth 7 years, 2 months ago
96abc/144×3(a-4)×5(b-6)/(a-4)(b-6) :
cut (a-4) and (b-6) = 2abc × 3 × 5/3 :
cut 3 and 3 :
Ans. 10 ABC
Posted by Krithik . B 7 years, 2 months ago
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Posted by Surya Singh 7 years, 2 months ago
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Meghna Thapar 5 years, 9 months ago
In the process of electroplating of copper on a metallic spoon, the iron spoon is made the cathode. When electricity is passed through the solution, Cu2+ ions move towards the cathode and get reduced to copper metal. This copper metal gets electroplated on the object, i.e., the metalic spoon. In silver plating, the object to be plated (e.g., a spoon) is made from the cathode of an electrolytic cell. The anode is a bar of silver metal, and the electrolyte (the liquid in between the electrodes) is a solution of silver cyanide, AgCN, in water.
Posted by Atharv Sharma 7 years, 2 months ago
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Ishita Rathi 7 years, 2 months ago
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Posted by Payal Ahlawat 7 years, 2 months ago
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Posted by Deepika Airee 7 years, 2 months ago
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Kajal Dogra 7 years, 2 months ago
Kashish Goyal 7 years, 2 months ago
Harshit Srivastava 7 years, 2 months ago
Yogita Ingle 7 years, 2 months ago
- Sound is a form of energy that travels in the form of vibrations through the air or any another medium.
- Sound is a kind of wave which gives us the sense of hearing.
- Sound is produced by a vibrating body. A vibrating object produces sound. When a bell is hit by a gong, the bell starts to vibrate and produces sound.
Payal Ahlawat 7 years, 2 months ago
Posted by Laxmi Patel 7 years, 2 months ago
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Payal Ahlawat 7 years, 2 months ago
Posted by Samir Kumar Baruri 7 years, 2 months ago
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P Srikanth 7 years, 2 months ago
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Praajeeth Killer 7 years, 2 months ago
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