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CBSE Class 12 Physics Last 5 + 1 Years’ Very Short Answer Type Questions

Jan 13, 2017 17:00 IST

    CBSE class 12 Physics last 5 + 1 years’ very short answer type questions are available in this article.

    According to the latest examination pattern, there will be 5 very short answer type questions (or 1 mark questions) will be asked in CBSE class 12 Physics board exam 2017.

    In order to understand the level of questions which can be asked in CBSE class 12 Physics exam 2017, students of CBSE class 12 must go through these questions.

    CBSE Class 12 Physics Sample Paper 2017

    Students can also find the solutions of these questions in CBSE Class 12th Solved Previous Years' Papers (Last 5+ 1 years') PCM - eBook

    CBSE Class 12 Physics Board Exam 2016: Very Short Answer Type Questions (1 Marks)

    1. Why does sun appear red at sunrise and sunset?

    2. Name the essential components of a communication system.

    3. In what way is the behavior of a diamagnetic material different from that of a paramagnetic, when kept in an external magnetic field?

    4. The plot of the variation of Potential difference across a combination of three identical cells in series, versus current is shown below. What is the emf and internal resistance of each cell?

    CBSE Class 12 Physics Question Paper 2016 Very Short Answer Types Question

    5. A charge 'q' is moved from a point A above a dipole of dipole moment ‘p’ to a point B below the dipole in equatorial plane without acceleration. Find the work done in the process.

    CBSE Class 12 Physics Question Paper 2016 Very Short Answer Types Question 5

    CBSE Class 12 Date Sheet 2017 Analysis and Exam Preparation Tips

    CBSE Class 12 Physics Board Exam 2015: Very Short Answer Type Questions (1 Marks)

    1. In a series LCR circuit, VL= VC ≠ VR. What is the value of power factor?

    2. What happens when a forward bias is applied to a p-n junction?

    3. Write a relation for polarisation P of a dielectric material in the presence of an external electric field E.

    4. Define the term ‘mobility’ of charge carriers. Write its SI unit.

    5. The focal length of an equiconvex lens is equal to the radius of curvature of either face. What is the refractive index of the material of the lens?

    CBSE Class 12 Video Tutorials

    CBSE Class 12 Physics Board Exam 2014: Very Short Answer Type Questions (1 Marks)

    1. Using the concept of force between two infinitely long parallel current carrying conductors, define one ampere of current?

    2. To which part of the electromagnetic spectrum does a wave of frequency 5 x 1019 Hz belong?

    3. Two equal balls having equal positive charge ‘q’ coulombs are suspended by two insulating strings of equal length. What would be the effect on the force when a plastic sheet is inserted between the two?

    4. Define intensity of radiation on the basis of photon picture of light. Write its S.I. unit.

    5. The electric current flowing in a wire in the direction from B to A is decreasing. Find out the direction of the induced current in the metallic loop kept above the wire as shown.

    CBSE Class 12 Physics Board Exam 2014: Very Short Answer Type Question

    6. Why is it found experimentally difficult to detect neutrinos in nuclear β-decay?

    7. Why is the use of A.C. voltage preferred over D.C. voltage? Give two reasons.

    8. A biconvex lens made of a transparent material of refractive index 1.25 is immersed in water of refractive index 1.33. Will the lens behave as a converging or a diverging lens? Give reason.

    CBSE Class 12 NCERT Solutions

    CBSE Class 12 Physics Board Exam 2013: Very Short Answer Type Questions (1 Marks)

    1. Two charges of magnitudes -2Q and + Q are located at point (a, 0) and (4a, 0) respectively. What is the electric flux due to these charges through a sphere of radius ‘3a’ with its centre at the origin?

    2. How does the mutual inductance of pair of coils change when

    (I) Distance between the coils is increased and

    (II) Number of turns in the coils is increased?

    3. The graph shown in the figure represents a plot of current versus voltage for a given semiconductor. Identify region, if any, over which the semiconductor has a negative resistance.

    CBSE Class 12 Physics Board Exam 2013: Very Short Answer Type Question 3

    4. Two identical cells, each of EMF E, having negligible internal resistance, are connected in parallel with each other across an external resistance R. What is the current through this resistance?

    CBSE Class 12 Physics Board Exam 2013: Very Short Answer Type Question 4

    5. The motion of copper plate is damped when it is allowed to oscillate between the two poles of a magnet. What is the cause of this damping?

    6. Define the activity of a given radioactive substance. Write its S.I unit.

    7. Welders wear special goggles or face masks with glass windows to protect their eyes from electromagnetic radiations. Name the radiations and write the range of their frequency.

    8.Write the expression for the de Broglie wavelength associated with a charged particle having charge ‘q’ and mass ‘m’, when it is accelerated by a potential V.

    CBSE Class 12 Exam Preparation Tips and Strategies

    CBSE Class 12 Physics Board Exam 2012: Very Short Answer Type Questions (1 Marks)

    1. Two wires of equal length, one of copper and the other of manganin have the same resistance. Which wire is thicker?

    2. What are the directions of electric and magnetic field vectors relative to each other and relative to the direction of propagation of electromagnetic waves?

    3. How does the angular separation between fringes in single-slit diffraction experiment change when the distance of separation between the slit and screen is doubled?

    4. A bar magnet is moved in the direction indicated by the arrow between two coils P Q and CD. Predict the direction of induced current in each coil.

    CBSE Class 12 Physics Board Exam 2012: Very Short Answer Type Questions

    5. For the same value of angle of incidence, the angles of refraction of three media A, B and C are 15°, 25° and 35° respectively. In which medium would the velocity of light be minimum?

    6. A proton and an electron have same kinetic energy. Which one has greater de-Broglie wavelength and why?

    7. Mention the two characteristic properties of the material suitable for making core of transformer.

    8. A charge ‘q’ is placed at the centre of a cube of side l. What is the electric flux passing through each face of the cube?

    CBSE Class 12 Previous Year Question Papers

    CBSE Class 12 Physics Board Exam 2011: Very Short Answer Type Questions (1 Marks)

    1. Define electric dipole moment. Write its S.I. unit?

    2. Where on the surface of the earth is the angle of dip 90.

    3. A hollow metal sphere is charged such that the potential on its surface is 10 V. What is the potential at the centre of the sphere?

    4. How are radio waves produced?

    5. Write any two characteristic properties of nuclear force?

    6. Two bar magnets are quickly moved towards a metallic loop connected across a capacitor ‘C’ as shown in the figure. Predict the polarity of the capacitor?

    CBSE Class 12 Physics Board Exam 2011: Very Short Answer Type Questions

    7. What happens to the width of the depletion layer of a p-n junction when it is (i) forward biased or (ii) reverse biased?

    8. Define the term ‘stopping potential’ in relation to photoelectric effect?

    CBSE Class 12 Sample Papers

    Get Solutions of CBSE Class 12 Physics Last 5 + 1 Years’ Question Papers

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