» CBSE Physics Sample Question Paper : Set III :: CBSE Sample Question Papers ::

CBSE Physics Sample Question Paper : Set III

Filed under:

Q. 1. Is electric flux a scalar or vector quantity ? Write its S.i. unit. 1
Answer :

Q. 2. Name the wave phenomenon which is exhibited by light waves but not by sound waves. 1
Answer :

Q. 3. Two stars A and B have magnitudes — 2 and 3 respectively. Which of the two is brighter and by how much ? 1
Answer :

Q. 4. Will the drift velocity of free electrons in a metallic conductor increase or decrease with the increase in its temperature ? 1
Answer :

Q. 5. A magnetic needle, free to rotate in a vertical plane, orients itself with its axis vertical at a certain place on the earth. What are the values of (a) horizontal component of earth’s magnetic field ? (b) angle of dip at this place ? 1
Answer :

Q. 6. Name the waves used in RADAR and write down the order of their wavelength. 1
Answer :

Q. 7. A steady current flows in a metallic conductor of non-uniform cross-section. Which of the following quantities is/are constant along the conductor current, resistance and drift velocity. 1
Answer :

Q. 8. The variation of P.D. with length in the case of two potentiometer wires A and B is given. Which of the two is more sensitive ? 1
Answer :

Q. 9. State Kirchhoff s laws for an electric net work.
Answer :

Q. 10. What is meant by the term ‘interference of light V Write any two conditions necessary for obtaining well defined and sustained interference pattern of light.
Answer :

Q. 11. Define the term angular dispersion. Draw the path of a ray of white light passing through a prism and mark angular dispersion on it.
Answer :

Q. 12. The radius of curvature of each surface of a convex lens of refractive index 1.5 is 40 cm. Calculate its power.
Answer :

Q- 13. Obtain the relation between the frequency of revolution of a planet ‘and its orbital radius.
Answer :

Q. 14. A sphere S1 of radius r1 encloses a total charge Q. If there is another concentric sphere S₂ of radius r₂ (r₂ > r₁) and there is no additional charges between S₁ and S₂ Find the ratio of electric flux through S₁ and S₂.
Answer :

Q. 15. A simple voltaic cell has an e.m.f 10 V. Is there a net field inside the cell when (i) circuit is open ; (ii) circuit is closed and a steady current is drawn from it ? Explain your answer in each case.
Answer :

Pages: 1 2

Related CBSE Information

CBSE History Sample Question Paper - Year 2000

CBSE Physics Atom, Molecule, Nuclei Expected Questions : Unit X

[Short/Very Short Answer Questions-1, 2 Marks] 1. Name the series of hydrogen spectrum lying in ultraviolet region. Answer 2. The total energy of an electron in the first excited state of the hydrogen atom is about —3.4eV. What is the P.E. of the electron in this state ? Answer 3. What is Bohr's quantisation condition for angular momentum of an electron in the second orbit ? Answer 4. What is a-particle ? In the reaction zXA = a + Y, give the atomic number and mass number ofY. Answer 5. What is beta decay ? Give one

CBSE Physics Sample Question Paper : Set-7

Q. 1. State two factors on which the sensitivity of a moving coil galvanometer depends. Answer Q. 2. What is the physical quantity measured by kilogram metre per cubic second per ampere? Answer Q.3. A glass rod whenrubbed with silk acquires a charge + 1.6 X 10-12 C. What is the charge on the silk? Answer Q.4. The wavelength of an electro magnetic wave is 10 mm, to what part of the spectrum it belongs? Answer Q. 5. In an a.c. circuit why there is no power consumption in an inductor? Answer Q. 6. Name a device for producing polarised light Answer Q. 7. A conducting loop of radius r

CBSE Maths Sample Question Paper - Year 96

Maths Class X (CBSE) You are on Set no 1 Qno. 1 to 20 Time allowed : 3 hours Maximum Marks : 100 General Instructions : (i) Question number 1 to 15 carry 2 marks each. (ii) Question number 16 to 25 carry 4 marks each. (iii) Question number 26 to 30 carry 6 marks each. (iv) Write the serial number of the question before attempting it. (v) Use of logarithmic and trignometric tables is permitted. Use of calculator is not permitted. Section - A Q1) Find the value of k for which the system of equations has no solution : 3x - 4y + 7 = 0 kx + 3y - 5

CBSE Physics Sample Question Paper : Set-10

Q. I. State one basic property of electric charge. Answer Q. 2. How much current be passed through a long wire so that it produces a magnetic field of 1 testa at a distance of 10 cm from it? Answer Q. 3. What types of charge carriers are there in a p-type semiconductor? Answer Q. 4. What is the dynamic mass of a photon of frequency v? Answer Q. 5. Write two conditions for the existence of atmosphere on a planet. Answer Q. 6. Which type of biasing results in very high resistance of

» CBSE Physics Sample Question Paper : Set III : CBSE Sample Question Papers