29 Sept 2020

Class 10 ICSE SELINA MATH EX 20D question 12 The surface area of a solid metallic sphere is 2464 cm2 . It is melted and recast into solid right circular cones of radius 3.5 cm and height 7 cm. Calculate : (i) the radius of the sphere. (ii) the number of cones recast

Class 10 ICSE SELINA MATH EX 20D question 12 The surface area of a solid metallic sphere is 2464 cm2 . It is melted and recast into solid right circular cones of radius 3.5 cm and height 7 cm. Calculate : (i) the radius of the sphere. (ii) the number of cones recast ankit sarawgi

 

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Class 12 | Physics | Capacitance |Find equivalent capacitance between A and B in the combination given below.

    (ii) Q=CV to get the charge and U=Q^2/2C to get the energy