Board Paper of Class 12-Science 2017 Physics All India(SET 3) - 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
How does the angle of minimum deviation of a glass prism vary, if the incident violet light is replaced by red light? Give reason. VIEW SOLUTION
- Question 2
Name the phenomenon which shows the quantum nature of electromagnetic radiation. (1) VIEW SOLUTION
- Question 3
What is the direction of induced currents in metal rings 1 and 2 when current I in the wire is increasing steadily?
VIEW SOLUTION
- Question 4
In which directions do the electric and magnetic field vectors oscillate in an electromagnetic wave propagating along the x-axis? VIEW SOLUTION
- Question 5
Nichrome and copper wires of the same length and same radius are connected in series. Current I is passed through them. Which wire gets heated up more? Justify your answer. VIEW SOLUTION