Bihar Board Exam CLASS-12 Model Question Papers - Physics

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(Download) Bihar Board Exam CLASS-12 Model Question Papers

 

Exam Name :  Bihar Board Exam CLASS-12 Model Question Papers

Subject : Physics & Physics Objective

Year : 2017

Model Set (Class-XII) 2017 

SECTION-II (NON-OBJECTIVE TYPE QUESTIONS)
 
Question Nos. 1 to 11 are of short answer type. Each question carries 2 marks. 11 × 2 = 22
SHORT QUESTIONS
1. What do you mean by surface charge density and write its SI unit ?
Ans.—Surface charge density—It is defined as charge per unit area. It is denoted by .
It can be expressed as,
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Courtesy: Bihar Board