#1
January 24th, 2016, 02:47 PM
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KCET Answer Keys
Hello, I am applying for the KCET exam and I want the answer key of the various papers of the exam. Please provide me.
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#2
January 24th, 2016, 03:53 PM
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Re: KCET Answer Keys
Hello, here I am providing you the questions of the KCET exam as under: In a Young’s double slit experiment the slit separation is 0.5 m from the slits. for a monochromatic light of wavelength 500 nm, the distance of 3rd maxima from 2nd minima on the other side is (1) 2.5 mm (2) 2.25mm (3) 2.75mm (4) 22.5 mm Ans: (Bonus) Note: Data Insufficient Calculate the focal length of a reading glass of a person if his distance of distinct vision is 75 cm. (1) 37.5 cm (2) 100.4 cm (3) 25.6 cm (4) 75.2 cm Ans: (1) A person wants a real image of his own, 3 times enlarged. Where should he stand infront of a concave mirror of radius of curvature 30 cm? (1) 30 cm (2) 20 cm (3) 10 cm (4) 90 cm Ans: (1) The polarizing angle of glass is 57°. A ray of light which is incident at this angle will have an angle of refraction as (1) 33° (2) 38° (3) 25° (4) 43° Ans: (1) A radioactive decay can form an isotope of the original nucleus with the emission of particles (1) one D and two E (2) four D and onceE (3) one D and four E (4) one D and one E Ans: (1) The half life of a radioactive substance is 20 minutes. The time taken between 50% decay and 87.5% decay of the substance will be (1) 40 minutes (2) 10 minutes (3) 30 minutes (4) 25 minutes Ans: (1) A nucleus at rest splits into two nuclear parts having radii in the ratio 1 : 2 Their velocities are in the ratio (1) 6 : 1 (2) 2 : 1 (3) 8 : 1 (4) 4 : 1 Ans: (3) What is the wavelength of light for the least energetic photon emitted in the Lyman series of the hydrogen spectrum. (take hc = 1240 eV nm) (1) 102 nm (2) 150 nm (3) 82 nm (4) 122 nm Ans: (4) Amplitude modulation has (1) one carrier (2) one carrier with high frequency (3) one carrier with two side band frequencies (4) one carrier with infinite frequencies Ans: (3) The waves used for line-of-sight (LOS) communication is (1) space waves (2) sky waves (3) ground waves (4) sound waves KCET Answer Keys |
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