1. Fill in the blanks to complete the statements. Justify the statements.(a) While working with a computer we can read the information stored in its memory and perform other actions in RAM (Random Access Memory) memory. (b) While presenting pictures and videos about the works of scientists, we can use Microsoft PowerPoint(c) To draw graphs …
10. Information Communication Technology: The new direction of progress Read More »
1. Select the proper option and complete the statements(single, all, double, ionic, carbon, give and take, hydrogen, multiple, share, most, covalent)(a) A carbon atom forms a covalent bond with other atoms. In this bond the two atoms share electrons.*(b) All the carbon bonds in a saturated hydrocarbon share electron.*(c) At least one carbon bond in an …
1. Fill in the blanks and explain. a. Sound does not travel through Vacuum Explanation: Sound requires a material medium to travel. As vacuum is not a material medium, sound cannot travel in vacuum. b. The velocity of sound in steel is greater than the velocity of sound in water. Explanation: …
1. Answer the following questions. a. Explain the difference between a plane mirror, a concave mirror and a convex mirror with respect to the type and size of the images produced.Ans.Plane Mirror: The image formed by plane mirror is Virtual, Upright. And size of image is same as the size of the object. Also distance between …
1. Fill in the blanks.a. The number of molecules of water of crystallization in washing soda is …………….b. The chemical name of baking soda is ……………c. ………….. is used in treatment of hyperthyroidism. d. The chemical name of Teflon is …………. Ans.a. The number of molecules of water of crystallization in washing soda is …
