Tiêu đề 2023-Physics-I Apr-May(AICTE).pdf ✅

Printed Pages- 13+3=16 Roll No. A000111(015) (AICTE Scheme) B. Tech. (First Semester) Examination, April-May 2023 APPLIED PHYSICS-I Time Allowed : Three hours (AEI, Biotech, Chem., Civil, CSE, Elect., EEE, EI, Et & T, IT, Mech., Mining, Metallurgy, Mechatronics, Production, Automobile, Agriculture Branch) Maximum Marks : 100 aiPUR IAs Minimum Pass Marks : 35 UTE OF TEGH LIBRARY A000111(015) Note : Aitempt five units as per your branch. Part (a) of each question is compulsory and carries 4 marks each. Attempt any two parts from (b), (c) and (d) of each question carrying & marks. Do not use colour inks (use only blue or black). Diagram should be neatly dràwn and well lebelled. G.) PTO
A000111(015) A000111(O15) PTO (ix) Permitivity of a free space 'e,'= 8-85x10-12 F/m (d) ) Calculate the displacement vector for a particle (Viü) Plank's constant 'h'= 6-62x10-34 J/Second (vii) Avogadro number N,'= 6-02x1023 Boltzmann yolt-! çonstant 'k (vi) horizontal rage. Derive an expression for the time of flight and (v) l a.m.u. =931 MeV = 1-66x10 kg (iv) Mass of neutron m, 'm, = 1.6747 x10-27 kg parabola. horizontal direction. Show that its trajectory is (c) What is (i) Mass of proton 'm,'= 16725x 10-2/ kg (ü) Mass of electron m'=9-11x103 kg ) Charge of electron 'e'= 1-602x10-19 C U_eful Physical and in opposite direction. (b) What do you mean by relative velocity? Obtain Units 1/7/8/9/10 . Computer Science/TT/Electronics/EVAEIBiotech (iv) Both (a) 4 () 1/3/7/8/9 III. Electrica/Electrical and Eectronics/ChemicalUnits ) System Intermational (choose correct answer) Units : I. Mechanicat/Mechatronics/Production/Automobile quantities was established known as: 1. (a) In 1960, the system for measuring physical I. CiviMetallurgy/Mining-Units 1/2/3/8/10 Unit-1 S Units branchwise : Volume of velocity c'=3x10 m/s | |3| =138x10-23 J/K trajectory of projective? A particle is fired withhe velocity (u) making an angle with quantitites are moving along the straight line in same direction an expression for the relative of the two bodies and (b) (t) System International units International System of units 1/4S/6/10 2 1

A000111(015) PTO A000111(O15) () Consider a point charge tq placed at the origin () A diffraction grating 3 cm wide produces spectrum. a number of the ruling and the order of power is given by the product of the total diffraction grating? Show that the resolving What is meant by resolving power of a 4 4 (c) thin mica sheet. method is used to determine the thickness ofa Define Fresnel's Biprism and explain how this 8 use point charge approximation ). mass of each person is 60 kg and Imt. Compare this with your height. (Assumne and your friend separated at a distance of Calculate the electrostatic force between you body is typically in the order of 10%. 1% (one percent) of this no. of electrons. due to some reason, you and your friend lost numbers. rings are proportional to square root of natural Prove that in reflected light diameter of the dark 8 electrostatic field.physical significance of divergence and curl of an (c) Explain the polarization in dielectrics? Give Poission's the equation for electrostatic potential. (b) Establish relationship between Laplace's and 8 (iv) 694 4 () 392 4 4. (a) potential in detail. Explain the laws of electrostatics. Define electric (ü) 196 Unit-IV () 98 (Choose the 4 in the first order spectrum : the total number of lines on the grating? with light of wavelength 600 nm. What is deviation of 33 degree in the second order resolve two sodium lines (5890 and 5896 Å) |7| |6| (d) ) The total number of electrons in the human suppose (b) Describe the method of prod°cing Newton's Rings. Explain the theory of Newton's rings method? correct answer):