Post Code: 707
Series: C
1. When intermolecular potential energy is minimum, then the intermolecular force is
- Zero
- Attractive
- Repulsive
- None of these
2. If there were no gravity, which of the following will not be there for a fluid?
- Surface tension
- Viscosity
- Pressure
- Archimede’s upward thrust
3. Two stars A and B radiate maximum energy at the wavelengths of 360 nm and 480 nm respectively. Then the ratio of the surface temperatures of A and B is
- 3:4
- 81:256
- 4:3
- 256:81
4. During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its temperature. The ratio of Cp\Cv for the gas is
- 4/3
- 2
- 5/3
- 3/2
5. The root mean square velocity of a gas molecule at 27°C is 1365 ms-1. The gas is
- O2
- N2
- He
- CO2
6. The distance between two consecutive nodes is
- 2ƛ
- ƛ/4
- ƛ/2
- ƛ
7. Standing waves are produced in 10 m long stretched string. If the string vibrates in 5 segments and wave velocity is 20 ms-1 , the frequency is
- 2 Hz
- 4 Hz
- 5 Hz
- 10 Hz
8. A simple pendulum is vibrating in an evacuated chamber. It will oscillate with
- Constant amplitude
- Increasing amplitude
- Decreasing amplitude
- None of these
9. How many times more intense is a 60 dB sound than a 30 dB sound.
- 2
- 4
- 100
- None of these
10. Two points P and Q are maintained at the potentials 10 V and -4 V respectively. The work done in moving 100 electrons from P to Q is
- -9.60*10-17 j
- 60 * 10-17 j
- -2.24 * 10-16 j
- 24 * 10-16 j
11. Capacitance of a spherical conductor of radius 1 m is
- 1 *10-10 F
- 10-6 F
- 9 * 10-9 F
- 10-3 F
12. Electric potential of earth is taken to be zero because earth is a good
- Conductor
- Semi-conductor
- Insulator
- Dielectric
13. A soap bubble is given a negative charge. Then its radius
- Decreases
- Increases
- Remains unchanged
- Nothing can be predicted
14. Static electricity is produced due to
- Friction
- Conduction
- Induction
- Both a and b
15. The capacitance of the earth viewed as a spherical conductor of radius 6408 km is
- 980 ựF
- 1424 ựF
- 712 ựF
- 600 ựF
16. A wire of radius r has resistance R. if it is stretched to the wire of r/2 radius, then the resistance becomes
- 2 R
- 4R
- 16R
- Zero
17. A solenoid is at potential difference of 60 V. If the current flowing through it is 15 A, then resistance of the solenoid will be
- 4 ῼ
- 8ῼ
- 25ῼ
- 2 ῼ
18. Two copper wires, one of length 1 m and the other of length 9 m, are found to have the same resistance. Their diameters are in the ratio
- 3:1
- 1:9
- 9:1
- 1:3
19. Magnetic field intensity at the centre of a coil of 50 turns, radius 0.5 m and carrying a current of 2 A is
- 5 * 10-5 T
- 26 * 10-4 T
- 3 * 10-5 T
- 4 * 10-5 T
20. A diamagnetic material in a magnetic field moves
- Perpendicular to the field
- From weaker to stronger parts
- From stronger to weaker parts
- None of these
21. Two parallel beams of positrons moving in the same direction will
- Repel each other
- Will not interact with each other
- Attract each other
- None of these
22. A dip circle is at right angle to the magnetic meridian. What will be its apparent dip?
- 0°
- 30°
- 60°
- 90°
23. The unit of magnetic induction is
- Am-1
- Am
- Weber
- Tesla
24. Core of transformer is made up of
- Soft iron
- Steel
- Iron
- None of these
25. When current is passed through water voltameter, hydrogen is liberated at
- Anode
- Cathode
- No liberation at all
- Remains in water
26. The limit of resolution of one mater radio telescope for radiowaves of wavelength 10 cm is about
- 7°
- 10°
- 14°
- 18°
27. The phenomenon that requires transverse wave nature of light is
- Diffraction
- Polarization
- Interference
- Dispersion
28. The property of rotation the plane of polarization is known as
- Optical activity
- Optical rotation
- Dichroism
- Specific rotation
29. Doppler effect is applicable for
- Light waves
- Space waves
- Sound waves
- Both a and b
30. The intensity of illumination at distance of 10 m form a 100 cd source is
- 10 lux
- 1 lux
- 10 phot
- 1 phot
31. A plane glass slab is kept over various coloured letters. The letter which appears least raised is
- Blue
- Violet
- Red
- Green
32. If the light propagating along a straight line bends by a small but fixed angle, it may be due to
- Reflection
- Refraction
- Dispersion
- Diffraction
33. When we see an object, the image formed on the retina is
- Real
- Erect
- Virtual
- None of these
34. Wavelength of the radiation of frequency 100 Hz is
- 2 * 106 m
- 3 * 106 m
- 4 * 106 m
- 5 * 106 m
35. The ionization potential of hydrogen is
- 6 V
- 24 V
- -10.36 V
- 24 V
36. Half life of a radioactive element depends upon
- The amount of element present
- Temperature
- Pressure
- Nature of material
37. In a germanium crystal, the interatomic bonds are
- Ionic
- Metallic
- Vander Waals
- Covalent
38. In a good conductor, the energy gap between the conduction band and the valence band is
- Infinity
- Wide
- Narrow
- Zero
39. In which of the configurations of a transistor, the power gain is highest?
- Common base
- Common emitter
- Common collector
- None of these
40. The worlds ‘Satyameva Jayate’ in the State Emblem of India were taken from
- Upanishads
- Samaveda
- Rig Veda
- Ramayana
41. Alexander and the army of Porus camped on the opposite bank of which river?
- Ravi
- Jhelum
- Satluj
- Chenab
42. Which is not the ‘Tri Ratna’ of Jainism?
- Right faith
- Right knowledge
- Right view
- Right conduct
43. The greatest Vijayanagar ruler was
- Rama Raya
- Sadasiva Raya
- Vir Narasimha
- Krishnadeva Raya
44. The hall of worship constructed by Akbar was called
- Diwan – e – Khas
- Diwan – e- Aam
- Ibadat Khana
- Buland Darwaza
45. The capital of Shivaji was
- Poona
- Raigarh
- Singhgarh
- None of these
46. Rajatarangini was written by
- Kalhana
- Alberuni
- Harsha Vardhana
- Kautilya
47. The ‘Doctrine of Lapse’ was first applied to the princely state of
- Satara
- Jhansi
- Avadh
- Jaunpur
48. Indian Constitution is
- Federal
- Quasi Federal
- Unitary
- Presidential
49. The first meeting of Indian Constituent assembly was presided over by
- K. V. Kamath
- Rajendra Prasad
- Sachchidandanda Sinha
- B.R. Ambedkar
50. Who can restrict the fundamental rights of the citizens?
- Parliament
- President
- Prime Minister
- None of these
51. Who is not appointed by the president of India?
- Prime Minister
- Governor
- Chief of Army
- Speaker of Lok Sabha
52. Which House of the Indian Parliament is a house elected by the people?
- Rajya Sabha
- Lok Sabha
- Both a and b
- None of these
53. The main function of the judiciary is
- To make law
- Execution of law
- Adjudication of law
- To apply law
54. Low tides are
- Weak
- Strong
- Moderate
- None of these
55. The earth rotates on its axis at an inclination of
- 5°
- 5°
- 27°
- None of these