Board Paper of Class 12-Science 2017 Physics (SET 2) - Solutions
General Instructions:
(i) There are 26 questions in all. All questions are compulsory.
(ii) This question paper has five sections : Section A, Section B, Section C, Section D and Section E.
(iii) Section A contains five questions of one mark each, Section B contains five questions of two marks each, Section C contains twelve questions of three marks each, Section D contains one value based question of four marks and Section E contains three questions of five marks each.
(iv) There is no overall choice. However, an internal choice has been provided in one question of two marks, one question of three marks and all the three questions of five marks weightage. You have to attempt only one of the choices in such questions.
- Question 1
At a place, the horizontal component of earth's magnetic field is B and angle of dip is 60°. What is the value of horizontal component of the earth's magnetic field at equator? VIEW SOLUTION
- Question 2
- Question 3
Does the charge given to a metallic sphere depend on whether it is hollow or solid? Give reason for your answer. VIEW SOLUTION
- Question 4
How is the speed of em-waves in vacuum determined by the electric and magnetic field? VIEW SOLUTION
- Question 5
A long straight current carrying wire passes normally through the centre of circular loop. If the current through the wire increases, will there be an induced emf in the loop? Justify. VIEW SOLUTION