Physics question and answers for July 19, 2024
- Q 36 Consider the following colour coded carbon resistor The resistance of this resistor is Violet Gold Yellow Red 1 47 10 5 3 81 10 2 20 h 2 47...
- Q 4 ms 28 If gravitational attraction between two points masses be given by F G satellite in a circular orbit will be proportional to b r a r mm2 Then...
- Q 3 20 68 kN C 4 18 88 N C A point charged particle is revolving around a long straight charged wire under influence of electrostatic force If radius of...
- Q 27 Assuming the radius of the earth to be 6 4x106 What is the time period T and speed of satellite for equatorial orbit at 1 4 10 km above...
- Q A ball of mass m moves with speed v and it strikes normally with a wall and reflected back normally if its time of contact with wall is t then...
- Q Which of the following forces is not conservative Question Type Single Correct Type 1 2 3 4 F 31 41 F 3x1 4yj F 3y 4x1 F 3x i 4y...
- Q 1 Only a 3 Botha and b 2 Only b 4 Neither a nor b Four identical charged particles of charge 1 C 2 C 3 C and 4 C...
- Q 3 q 880 q 16 0 4 30 Two point charges placed at a distance r in air exert force F on each other For the charges force 4F on...
- Q 13 2 In a potentiometer setup when a secondary cell emf 2 V is balanced balance length of 10 cm obtained If another secondary cell of emf 4 V connected...
- Q A particle executes SHM with amplitude A and time period T At the time t 0 the particle is at its mean position then at what times the particle will...
- Q 4 A certain amount of current when flowing in a properly set tangent galvanometer produces a deflection of 45 If the current be reduced by a factor of 3 then...
- Q slits are of unequal width e slit on screen is four times that only due to the other The screen is placed along axis as shown in figure screen distance...
- Q 5 A capacitor of capacitance C is charged up 90 V and then connected to an uncharged capacit of capacitance 2C The final potential differenc across each capacitor will be...
- Q In the Figure shown a closed loop carries a current I 600 mA The loop consists of two radial straight wires and two concentric circular arcs of radii 2 00...
- Q How h 1 2gtxt when the projectile is at same height at di fferent time intervals t o t t ttz 2 h gt t igtitz tmax B u Copex...
- Q 20 When a polythene is rubbed with wool it develops a charge 3 2 x 10 7 C The number of electrons transferred is 1 2 106 3 106 2...
- Q A paramagnetic salt contains 1028 ions m with magnetic moment of one Bohr magneton Calculate the paramagnetic susceptiblity and the magnetization produced in a uniform magnetic field of 10 A...
- Q Ans 0 9 0 023 micro farad A circuit is shown in the following figure for which C 3 0 011 F C 5 0 01 F and C3 1...
- Q Static friction fs is a constraint force because it prevents relative sliding between contacting surfaces It acts tangentially to the surfaces in contact Hence we call it tangential contact force...
- Q 4 A planet of mass m moves around the sun of mass M in an elliptical orbit The maximum and minimum distance of the planet from the sun are and...
- Q 103 A voltmeter of 998 ohms resistance is connected to a cell of emf 2 volts having internal resistance of 2 ohms The error in measuring emf will be 1...
- Q 20 A resistance of 4 92 and a wire of length 5 and resistance 52 are joined in series and connected to a cell of e m f 10 V...
- Q 123 The velocity of water waves may depend on their wavelength 2 the density of water p and the acceleration due to gravity g The method of dimensions gives the...
- Q has a focal length f and power P It is cut into two symmetrical halves b by a plane containing the principal axis The two pieces are recombined as shown...
- Q 6 The figure shows the position time x t graph of one dimensional motion of a body of mass 0 4 kg It suffers impulse at regular intervals The magnitude...
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