Model Question Paper CET Physics - WIT Solapur

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charges moving withuniform velocityspeed in all media54. The frequency of visible light is of the order ofA. 10 8 Hz B. 10 18 Hz C. 10 15 Hz D. 10 12 Hz55. A concave mirror of focal length 15cm forms an image at a distance of 40 cm from it. Thedistance of the object from the mirror isA. 10 cm B. 20 cm C. 24 cm D. 30 cm56. Binoculars are made conveniently short by making use of right angled isosceles prism ofglass. In a normal pair of binoculars, the number of prism isA. 1 B. 2 C. 4 D. 557. A ray incident on a 60° prism of refractiveindex √ 2 suffers minimum deviation. The angleof incidence isA. 0° B. 45° C. 60° D. 75°58. Two electron beams having velocities in the ratio of 1 : 2 are subjected separately to identicalmagnetic field. The ratio of deflection produced isA. 4 : 1 B. 1 : 2 C. 1 : 4 D. 2 : 159. The ray used for determining the crystal structure of solid isA. α -ray B. β -ray C. γ -ray D. X-ray60. For the structural analysis of crystals X-ray are used becauseA. X-rays have wavelength of the order of the inter-atomic spacingB. X-rays are highly penetrating radiationC. wavelength of X-rays is of order of nuclear sizeD. X-rays are coherent radiation61. The ratio of the molar amounts of H 2 S needed to precipitate the metal ions from 20 ml eachof 1 M Cd (NO 3 ) 2 and 0.5 M CuSO 4 isA. 2:1 B. 1:1 C. 1:2 D. indefinite62. Among the following elements, which one has the highest value of first ionization potential?A. Argon B. Barium C. Cesium D. Oxygen63. Which of the following concepts best explains that o-nitrophenol is more volatile than p-nitrophenol?A. Resonance B. Conjugation C. Hydrogen binding D. Covalent bonding64. Which of the following statements is false?A. Ionic compounds generally have low m.p.and b.p.B. Carbon tetrachloride is a non-polar molecule
C. Anhydrous AlCl 3 is a covalent substanceD. A molecule represents a more stable state as compared to individual atoms65. The chemical species having same number of electrons in the outermost and penultimateshell isA. Al 3+ B. O 2- C. Na + D. Cl -66. The solution was prepared by dissolving 0.0005 mol of Ba (OH) 2 in 100 ml of the solution. Ifthe base is assume to ionize completely, the pOH of the solution will beA. 10 B. 12 C. 2 D. unpredictable67. In which of the following neutralization willthe enthalpy of neutralization be the smallest?A. H 3 PO 4 B. NaOH C. NaOHwith NaOH and with HClD. HClwithNH 4 OHCH 3 OOH68. The pH of 10 -8 M NaOH will beA. 6.96 B. 7.04 C. 12.0 D. 869. Gas deviates from ideal gas nature because moleculesA. attract each other B. contain covalent bondC. show Brownian movement D. are colourless70. Among the following reactions, the fastest one isA. precipitation of silver chloride by mixing silver nitrate and sodium chloride solutionsB. burning of coalC. rusting of iron in moist airD. conversion of monoclinic sulphur to rhombic sulphur71. When 5.0 g of BaCl 2 is dissolved in water to have 10 6 g of solution. The concentration ofsolution isA. 5M B. 5gmL -1 C. 2.5 ppm D. 5 ppm72. The unit of electrochemical equivalent isA. coulomb/gram B. gm-ampere C. gm./coulomb D. gm-ampere -173. Adsorption increases whenA. temperature remains B. temperatureconstantincreasesC. temperature D. none of the abovedecreases74. The number of hours required for a current of 3.0 A to decompose electrically 18 g of waterisA. 12 hours B. 24 hours C. 6 hours D. 18 hours75. The number of electrons per second, which pass through a cross section of a copper wirecarrying 10 -16 A, isA. 16 x 10 -2 e/s B. 1.6 x 10 -3 C. 60 e/s D. 625 e/s
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RAJASTHAN P.E.T.PHYSICS-19971. In B
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Chemistry
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www.JbigDeaL.com81. [Cu(NH 3 ) 4 ]
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www.JbigDeaL.comANSWER SHEET1.(2) 2
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Model Question Paper CET Physics - WIT Solapur

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