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⇒ CBSE 12th Physics Board Exam 2021-22 (Term 1): Moderately Difficult - Check Paper Analysis, Review, Answer Key & Latest Updates
⇒ CBSE Answer Key: Class 12 Physics Board Exam 2021-22 (Term 1)
CBSE Class 12 Physics Board Exam 2021-22: Snapshot From Paper
Question From Term 1 CBSE Class 12 Physics Board Exam 2021-22 (Term 1) Question Paper:
This section consists of 25 multiple choice questions with overall choice to attempt any 20 questions.
In case more than desirable number of questions are attempted, ONLY first 20 will be considered for
Q1. A negatively charged object X is repelled by another charged object Y. However, an object Z is attracted to object Y. Which of the following is the best possibility for the object Z?
(a) positively charged only
(b) negatively charged only
(c) neutral or positively charged
(d) neutral or negatively charged
Q2. In an experiment three microscopic latex spheres are sprayed into a chamber and became
charged with charges +3e, +5e and −3e respectively. All the three spheres came in contact
simultaneously for a moment and got separated. Which one of the following are possible values for
the final charge on the spheres?
(a) +5e, −4e, +5e
(b) +6e, +6e, −7e
(c) −4e, +3.5e, +5.5e
(d) +5e, −8e, +7e
Q3. An object has charge of 1 C and gains 5.0 x 10 18 electrons. The net charge on the object becomes-
(a) −0.80 C
(b) +0.80 C
(c) +1.80 C
(d) +0.20 C