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MCQ Physics - Topic Electromagnetic Wave
access_time 2022-11-18T17:41:09.425Z face Sonika Agarwal
MCQ Physics - Topic Electromagnetic Wave Que 1 The dimensional formula of 1/(magnetic permeability×electric permittivity) a) [LT^-1] b) [L^-1T] c) [L^2T^-2] d) [TL] Ans (c) Que 2 The electromagnetic wave which has least wavelength a) Radio waves b) X rays c) microwaves d) Gamma waves Ans (d) Que 3 T...
Heredity and Evolution - Summary of Lesson
access_time 2022-11-18T02:50:44.302Z face Sonika Agarwal
Heredity and Evolution - Summary of Lesson Que What is heredity Ans The transmission of genetically based characteristics from parents to the offspring is called heredity Que What are variations Ans Small differences among the individuals of the same species are called variations Que Who discovered ...
Magnetic Effects of Current - Summary of Lesson
access_time 2022-11-17T12:07:33.281Z face Sonika Agarwal
Magnetic Effects of Current - Summary of Lesson IMPORTANT QUESTIONS Que Name the scientist who showed that an electricity and magnetism where related phenomena Ans Hans Christian oersted in 1820 discovered that a compass needle get deflected when an electric current pass through metallic wire in thi...
Sample Test Paper for Class 10- Statistics
access_time 2022-11-17T04:00:11.914Z face Sonika Agarwal
Sample Test Paper for Class 10- Statistics Que 1 --If mean of 7,10,4,12,x,3 is 7.5 find value of x Que 2 --The marks obtained by students 14,11,23,14,18,7,8,5 a) find mean b) find mean if marks are increased by 5 marks Que 3---Marks obtained by 40 students -Marks Number of Students - 5. 6 6. . A 7. ...
Electricity-- Summary of Lesson
access_time 2022-11-15T19:00:03.985Z face Sonika Agarwal
Summary of Lesson Electricity Que 1 Define electric current? Ans Current is the rate of flow of charge across a cross section normal to the direction of the flow of the current Charge q flows across any cross section of a conductor in time t then the current is I=Q/t = ne / t Unit of current is ampe...