Physics question and answers for June 26, 2024
- Q In colder regions like the poles two identical open containers one fille with hot water and the other filled with cold water if left exposed t atmosphere it is observed...
- Q 39 Switch is in position A for a long time It is suddenly switched to the side B Mass of rod is m and lengt 1 Maximum speed of rod...
- Q zero XO A block accelerates down a slope as shown in the figure The upper portion of the slope is smooth and lower portion is rough On the lower portion...
- Q Find current i at time t 0 and time t in the following circuits R a c L 000000 R 3R 6R E 3R www R 000000 000000 L wwww...
- Q A particle is rotated in a vertical circle by connecting it to a string of length and keeping the other end of the string fixed The minimum speed of the...
- Q In the circuit shown in figure charge varies with time as q q 1 e IRC The correct option about the rate of heat produced in resistance R with time...
- Q 2 A metal rod of length 10 cm and a rectangular cross section of 1 cm x cm is connected to a battery across opposite faces The resistance will be...
- Q Q The ends of a rod of length L and mass m attached to identical spring rod free to rotate about centre O The rod s depressed slightly at A...
- Q 8 In the given diagram the reading of the ammeter is when the internal resistance of the battery is zero 402 1 40 29 A Hint PD across 502 is...
- Q The path difference between two waves arriving at a point simultaneously is 38 5 times wavelength of light The CO2 Opoint will be dark Opoint will be bright O point...
- Q An electric spark jumps along a straight line of length L 10 m emitting a pulse of sound that travels radially outward from the spark The spark is said to...
- Q A given object takes n times more time to slide down a 45 rough inclined plane than the time taken to slide down the similar but a smooth inclined plane...
- Q One conducting U tube can slide inside another as shown in figure maintaining electrical contacts between the tubes The magnetic field B is perpendicular to the plane of the figure...
- Q 1 Capacitance of a parallel plate capacitor can be increased by a increasing the distance between the plates b decreasing the distance between the plates c decreasing the area of...
- Q 10 Two point charges 50 C and 25 C are 20 cm apart as shown The work done to displace 25 C charge from B point to C will be...
- Q The quantity of electricity required to reduce 12 3 g of nitro benzene to aniline assuming 50 current effeciency is in 1 115800 C 3 231600 C Abne 2 57900...
- Q A particle of mass 6kg moving with a velocity of 10 m s collides with another particle of 3kg at rest initially If the coefficient of restitution is e 1...
- Q During the electrolysis of water 4 mol of electrons were transferred from anode to cathode The tota volume of gases produced at STP will be approximately 1 67 2 L...
- Q A ball of mass 10 kg moving with a velocity 10 3 m s along the x axis hits another ball of mass 20 kg which is at rest After...
- Q 3 Charge Q is divided into two parts which are then kept some distance apart The force between them will be maximum if the two parts are a Q 2...
- Q where m is the mass of 1 A quantity X is given by electron e is the charge of electron is the permittivity of free space c is the velocity...
- Q 5 Two identical calorimeters one containing water and the other an unknown liquid are left in a room and allowed to cool Masses of the water the liquid and the...
- Q please Solve and show Why and how poynting vector is v rying with time What realation is obtained How to get t he graph SOURCE NCERT EXEMPLAR 8 19 Poynting...
- Q A uniform rod of mass M pulled by force F on smooth surface The value of tension T in the rod varies with the distance X from the force end...
- Q rcuit shown is 6V 400 www 1 2 25 V 2 3 25 V Hint Equivalent resistance of voltmeter is resistors ie 40 Q and 24 2 600 ww V...
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