CBSE Class 12 Physics Boards 2021 Sample Paper Solved
Section – A All questions are compulsory. In case of internal choices, attempt any one of them. 1 Name the physical quantity having unit J/T. 2 Mention one use of part of electromagnetic spectrum to which a wavelength of 21 cm (emitted by hydrogen in interstellar space)…
CBSE Class 12 Political Science Boards 2021 Sample Paper Solved
Section – A 1. Which of these statements about the princely states is incorrect: a) Some of the princely states clearly wanted to become part of the Indian Union. b) The Indian government was ready to give autonomy to some regions. c) First of all, the ruler of Junagarh…
CBSE Class 12 Physics Compartment Question Paper Solved 2020
SECTION A Note : Select the most appropriate option from the options given below each question : 1. The potential difference applied across a given conductor is doubled. The mobility of the electrons in the conductor (A) is doubled. (B) is halved. (C) remains unchanged…
CBSE Class 12 Physics Boards 2020 Question Paper Solved Set E
Please click on below link to download CBSE Class 12 Physics Boards 2020 Question Paper Solved Set E.
CBSE Class 12 Physics Boards 2020 Question Paper Solved Set D
Please click on below link to download CBSE Class 12 Physics Boards 2020 Question Paper Solved Set D.
CBSE Class 12 Physics Boards 2020 Question Paper Solved Set C
SECTION A Note : Select the most appropriate option from those given below each question : 1. If a positive charge is displaced against the electric field in which it was situated, then (A) work will be done by the electric field on the charge. (B) the intensity of the…
CBSE Class 12 Physics Boards 2020 Question Paper Solved Set B
SECTION A Note : Select the most appropriate option from those given below each question : 1. A cell of internal resistance r connected across an external resistance R can supply maximum current when (A) R = r (B) R > r (C) R = r/2 (D) R = 0 2. In a current…
CBSE Class 12 Physics Boards 2020 Question Paper Solved Set A
SECTION A 1. If the net electric flux through a closed surface is zero, then we can infer (A) no net charge is enclosed by the surface. (B) uniform electric field exists within the surface. (C) electric potential varies from point to point inside the surface. (D)…
CBSE Class 12 Applied Physics Boards 2020 Question Paper
APPLIED PHYSICS 1. (a) Define electric field intensity. Give its SI unit. Write the formula for electric field intensity due to a point charge. Calculate the electric field intensity at a distance of 50 cm from a charge of 50 μC. (b) What is a capacitor ? Derive a…
CBSE Class 12 Physics Formula Booklet
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CBSE Class 12 Physics VBQs Dual Nature Of Radiation And Matter
Dual Nature Of Radiation And Matter Question 1. A function was organized in the village hall with 500 sitting arrangement. When people started entering in groups the counting became difficult. The village head asked Rahul and his friends to take the responsibility at the gate…
CBSE Class 12 Physics VBQs Electromagnetic Waves
ONE MARK QUESTIONS Question. Identify the part of the electromagnetic spectrum to which the following wavelengths belong: (i) 10-1m (ii) 10-12 mAnswer : (i) short radio waves (ii) gamma rays Question. Identify the part of the electromagnetic spectrum to which the following…
CBSE Class 12 Physics Communication Systems Online Test Set B
Refer to CBSE Class 12 Physics Communication Systems Online Test Set B below. Students of Class 12 can refer to the full list of free Class 12 Physics Mock Test provided by StudiesToday. These MCQ based online mock tests for Physics in Grade 12 has been designed based on the…
CBSE Class 12 Physics Communication Systems MCQs
Question : Communication is the process of (a) keeping in touch (b) exchange information (c) broad casting (d) entertainment by electronics Answer: B Question : Which of the following is the element of a communication system? (a) Transmitter (b) channel (c)…