Physics question and answers for July 09, 2024
- Q D A block of mass m is pushed against a spring of spring constant k fixed at one end to a wall The block can slide on a frictionless table...
- Q In a Young s double slit experiment the slits are placed 0 320 mm apart Light o wavelength 500 nm is incident on the slits The total number of bright...
- Q 3 180 3A 4 180 3A 34 Rays from a lens are converging toward a point P as shown in figure How much thick glass plate having refractive index 1...
- Q 15 16 For Questions 15 16 A block of mass 2 kg is placed on a rough horizontal surface A spring is attached to the block whose other end is...
- Q Two point masses of mass m and 2m placed on smooth horizontal plane are connected by a light rod of length Masses are given velocities in horizontal plane perpendicular to...
- Q 54 A body of mass M and volume V is floating in a liquid of density o When an excess mass m is placed on the body then it just...
- Q An aluminum container of mass 100 gm contains 200 gm of ice at 20 C Heat is added to the system at the rate of 100 cal s The temperature...
- Q 15 The activity of a radioactive substance is R at time t and R at time t t Its decay constant is A Then 1 R R 1 1 3...
- Q 33 The refracting angle of a prism is A and refractive index of the material of prism is cot A 2 The angle of minimum deviation will be 2 180...
- Q Find the magnitude of the magnetic field induction at the origin O due to a very long conductor carrying current i of the shape shown in figure 1 2 3...
- Q R Problem 1 8 A thin insulated wire form a spiral of N 100 turns carrying a current of i 8mA The inner and outer radii are equal to a...
- Q A rubber ball is released from a height of 5 m mathongo mathongo above the floor It bounces back repeatedly mathongo mathongo mathongo mathongo mathongo mathongo mathongo mathongo mathongo mathongo...
- Q The depth of an ocean is about 3000 m Calculate the percentage compression of the water at the bottom of the ocean Bwater 1 5 10 N m 2 1...
- Q What is the function of the instruction decoder in 8085 O Identifies instruction Determine number of fetch cycle required to fetch current instruction Sends decoded information to timing and control...
- Q 14 A radioactive sample decays with decay constant A A capacitor of capacitance C is charged to some potential and then the plates are connected through a resistance R The...
- Q Threshold wavelength for sodium is 6 x 10 7 m Then photoemission occurs for light of waveleng if 1 6 x 10 7 metre 2 6 x 10 7 metre...
- Q Example 4 4 The position of a particle is given by r 3 0t i 2 0t j 5 0k where t is in seconds and the coefficients have the...
- Q The rectangular loop shown in the figure is co planar with the straight infinitely long wire carrying current lo The magnetic flux through the loop is 03 Holoa 2T Holob...
- Q Network shown in the figure is part of a circuit The current is 2 A and is decreasing at the rate of 2 A s Find the value of Vp...
- Q Which factors typically motivate changes to employment laws how often employers get in trouble with the law and the government in power what the government thinks is best for employees...
- Q 2 The electron in the hydrogen atom jumps from excited state n 4 to its ground state n 1 and photon thus emitted irradiate a photosensitive metal If work function...
- Q A projectile is thrown in the upward direction making an angle of 60 with the horizontal direction with a velocity of 147 m s Then the time after which its...
- Q riginal orbit The sea level and at top of mountains are w W2 and w3 respectively then b W W W3 dat wy W W3 d w W W3 c...
- Q 7 A certain radioactive material can undergo two different types of decay each with a different decay constant and 22 Then the effective decay constant is 1 2 3 6...
- Q 3 240 nm 4 820 nm 29 A plane wavefront AB is incident on a concave mirror as shown in figure Then the wavefront just after reflection is 1 B...
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