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August 14th, 2014, 02:55 PM
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Paper for GUJCET Board Exam Physics and Chemistry
Provide me question paper for physics and chemistry subject of Gujarat Common Entrance Exam soon ? Gujarat Common Entrance Exam is conducted recently by the Gujarat Secondary and Higher Secondary Board of Education. Here I am giving you question paper for physics and chemistry subject of Gujarat Common Entrance Exam (1) What is the average value of the A.C. voltage over one complete cycle? (a) max V 2 (b) max 2V 2 (c) Vmax (d) zero Ans. (d) (2) A short bar magnet has a length 2l and a magnetic moment 10Am2. Find the magnetic field at a distance of z = 0.1 m from its centre on the axial line. Here, l is negligible as compared to z. (a) 4 × 10–3 T (b) 1 × 10–3 T (c) 3 × 10–3 T (d) 2 × 10–3 T Ans. (d) (3) A short bar magnet experiences a torque of magnitude 0.64J when it is placed in a uniform magnetic field of 0.32T, making an angle of 30º with the direction of the field. The magnetic moment of the magnet is …….. (a) 2Am2 (b) 6 Am2 (c) 4 Am2 (d) none of these Ans. (c) (5) The magnifying power of a telescope is m. If the focal length of the eye-piece is halved, then its magnifying power is ……. (a) 4m (b) 1 2m (c) m 2 (d) 2m Ans. (d) (6) A plane mirror produces a magnification of ………… (a) infinite (b) zero (c) +1 (d) –1 Ans. (c) (7) 100π phase difference = …….. path difference (a) 100λ (b) 50λ (c) 25λ (d) 10λ Ans. (b) (8) What will be the angle of diffraction for the first order maximum due to Fraunhofer Page No: 2 GujCET0-2010-Physics diffraction by a single slit of width 0.50mm, using light of wavelength 500nm? (a) 1.5 × 10–3 rad (b) 1.5 × 10–4 rad (c) 3 × 10–3 rad (d) 1 × 10–3 rad Ans. (d) (9) The condition for diffraction of mth order minima is ………. (a) m dsin (m 1) ,m 1,2,3.... 2 λ θ = − = (b) m dsin (m 1) ,m 1,2,3.... 2 λ θ = + = (c) m m dsin ,m 1,2,3.... 2 λ θ = = (d) m dsin m ,m 1,2,3.... θ = λ = Ans. (d) (10) If a source is transmitting electro-magnetic waves of frequency 8.196 × 106 Hz, then the wavelength of the electro-magnetic waves transmitted from the source will be ….. (a) 3660 cm (b) 4230 mm (c) 4050 cm (d) 5090 cm Last edited by Neelurk; March 9th, 2020 at 11:42 AM. |
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