Physics Nios plus two I Welcome to your Physics Nios plus two I Total Questions: 50 Name Mobile No: 1. Which of the following parameters dose not characterize the thermodynamic state of matter? work volume Temperature pressure None Hint 2. The colour which is scattered most in atmosphere is Yellow Green Blue Red None Hint 3. Ohm’s law is not applicable to High current Semiconductor Dc circuit Small resistance None Hint 4. Resistance are connected in end to end in ? Random combination Parallel combination Circular combination Series combination None Hint 5. Radioactive substance does not emit Neutrons Beta rays Gamma rays Alpha rays None Hint 6. A magnetic field can be produced by A changing electric field Both of these None of these A moving charge None Hint 7. The work function for photoelectric effect None of the above Depends upon the frequency of incident light Is different for different metal Is same for all metal None Hint 8. The half-life of a radioactive elements depend on Temperature Quantity of radioactive element Nature of element Pressure None Hint 9. For rectifying action, we use Choke Diode Transformer Condenser None Hint 10. The capacitance of a capacitor will decrease if we introduce a slab of: zinc copper aluminium None of these None Hint 11. Dimension of Surface Tension is MT-1 MT2 M -1T -2 MT-2 None Hint 12. According to Bohr’s model of Hydrogen atom The angular momentum of the electron is quantized The linear velocity of the electron is quantized. The angular velocity of the electron is quantized The linear momentum of the electron is quantized None Hint 13. Which of the following are known as universal gates? XOR & OR EX-NOR & XOR AND & OR NAND & NOR None Hint 14. Nuclear energy is released in fission because binding energy per nucleon is ? Same for fission fragment and nucleus Greater for fission fragment than for parent nucleus Smaller for fission fragment than for parent nucleus None of the above None Hint 15. Colour of sky appears blue its due to Shorter wavelength of blue colour All of these As extent of scattering of blue light is more it enters our eyes The size of fine particle in atmosphere is almost equal to wavelength of blue colour None Hint 16. Colours of thin films result from Interference of light Absorption of light Dispersion of light Scattering of light None Hint 17. A tuning fork of unknown frequency gives 5 beats per second with another tunning of 500 Hz. Frequency of unknown fork in Hz 490,510 495,505 495,500 5 500,505 None Hint 18. Photo electric effect predict that light is made of Electrons Neutrons All the three mentioned in A, B, C Photons None Hint 19. Rutherford in his experiment bombarded thin metallic foils by proton α-Particles neutron Electron None Hint 20. The Value of dielectric constant or relative permittivity Ɛr all the above Ɛr>1 Ɛr=1 None Hint 21. Which colour will be observed by a astronaut travelling in space Blue Black Indico Green None Hint 22. Field inside a solenoid is Directly proportional to current Directly proportional to its length Inversely proportional to total number of turns Inversely proportional to current None Hint 23. In Zener diode, the Zener breakdown voltage takes place at Below 6 V All of the above At 6 v Above 6 v None Hint 24. The Helium atom does not contain Two proton Two electron Two neutrons Six nucleon None Hint 25. Can a diode valve be used as an oscillator Yes None of the above Some times with another diode No None Hint 26. The temperatures of inside and outside of a refrigerator are 273 K and 303 K respectively. Assuming, that the refrigerator cycle is reversible, for every joule of work done, the heat delivered to the surrounding will be nearly: 10 J 30 J 50 J 20 J None Hint 27. Fission of a nucleus is achieved by bombarding it with Electrons Protons Neutrons X-ray None Hint 28. The point where amplitude is maximum but the strain is minimum called nodes none of the above antinodes successive node None Hint 29. If L and R represents inductance and resistance respectively, then dimension of L/R will be L LT T -1 None of the above None Hint 30. The saturation current in a diode can be increased by Lowering plate potential Raising plate potential Decreasing cathode temperature Increasing cathode temperature None Hint 31. The interference of two light wave is constructive if Two waves are perpendicular to each other Two waves are in opposite phase Two waves are obtained from two different sources Two waves are in same phase None Hint 32. Dimension of coefficient of viscosity MLT-2 ML-1T -1 MLT-1 None Hint 33. Which of the following statement is true Radioactive elements cannot be produced in the laboratory Radioactivity is a statistical process Radioactivity is a spontaneous process Radioactivity is a neutral characteristic of some element None Hint 34. The phenomenon of scattering of light by the colloidal particle is known as Tyndal effect Newton’s ring Spectral effect Raman effect None Hint 35. The magnetic field near a current carrying conductor is given by Kirchoff’s law Lenz’ law Biot-savart’s law Coulomb’s law None Hint 36. Which of the following is a good moderator Graphite Cadmium Ordinary water Helium None Hint 37. A test charge is moved from lower potential point to a higher potential point. The potential energy of test charge will increase become zero decrease remain the same None Hint 38. During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio Cp/Cv for the gas is 2 3/2 4/3 5/3 None Hint 39. Interference of two light waves can be observed with the help of a Spectrometer Michelson experiment Prism Photometer None Hint 40. Transverse wave can be transmitted in surface of liquid solid a&b gases None Hint 41. Voltage feedback in feedback amplifier is proportional to Square of output voltage Grid voltage Square of grid voltage Output voltage None Hint 42. If charge q is taken positive than direction of electric field E is no changes none of the above Toward charge away from charge None Hint 43. SI unit of permittivity of free space C 2N -1m-2 C 1N -1m-2 C 2N -1m-1 C 2N -2m-2 None Hint 44. The velocity of the photoelectrons depends upon None of the above Intensity and frequency of the incident photon Frequency of photon only Intensity of the incident photon None Hint 45. The Lithium atom has 3 electrons. The third electron will be in N –shell L-shell M -shell K -shell None Hint 46. In parallel combination the current passing through each resistor is Same low Different Zero None Hint 47. Dielectric constant for a metal is 1 zero infinite 10 None Hint 48. Does pressure depend on the shape of vessel Yes No None of the above May be None Hint 49. In a transformer the energy losses result from Resistive heating in copper coils - cooper loss, Eddy current losses in form of heating of iron core - Eddy current loss. Magnetization heating of the core during repeated reversal of magnetization - hysteresis loss. Flux leakage from the core. None Hint 50. When a capacitor is being charged the charged current Incomplete data Increase Constant Decrease None Hint Time's up Share: admin Previous post Test 1 May 26, 2025 Next post Test 2 May 27, 2025
