Physics question and answers for August 03, 2024
- Q Pressure of an ideal gas is increased by keeping 11 temperature constant What is its effect on kinetic energy of molecules 1 Increases 2 Decreases 3 No change 4 Cannot...
- Q A straight conductor of length is wound in to a circular coil of n turns For a current i flowing through the coil the magnetic induction at the centre is...
- Q A block of ice at 0 C is slowly heated and converted into steam at 100 C Which of these curves represents the phenomenon quantitatively L Time 1 Time 2...
- Q d If the X then t is constant 18 Two thin circular discs of mass m and 4m having radii of a and 2a respectively are rigidly fixed by a...
- Q The following figure shows position time graph of an object moving along x axis Based on the information represented by the graph answer the following questions x m 4 t...
- Q Speed of sound in air at room temperat approximately 343 m s What can be the of sound in Hydrogen at room tempe approximately 1 1284 m s 3 686...
- Q ns Col A particle of mass 2kg is placed at rest at origin A force F 21 33 5k is acting on particl At t 4sec the position vector of...
- Q A string of mass 0 1 kg is under a tension 1 6 N The length of the string is 1m A transverse wave starts from one end of the...
- Q 3GM r 3 D If gravitational field intensity is E at distance R 2 outside from then surface of a thin shell of radius R the gravitational field intensity at...
- Q 1 R 17 Specific 1 3R capacity of a solid is 2 2R 3 3R heat capacity of water is 2 6R 3 5R 4 4R 4 9R Uch Stol...
- Q 8 For the phase diagram of water given in figure 8 curves OA AB and AC are respectively P atmospheric pressure B liq solid A vapour T 1 Sublimation curve...
- Q Hi there I m Harsh Vadher I say In si mple way that you please take cordin ate system and draw line with 1 obtu se slope 2 acute and...
- Q 2 Coefficient of volumetric expansion a is not a constant It depends on temperature Variation of a with temperature for metal is pa K T 1 a 2 1 T...
- Q A conducting square loop of side length d with its edges parallel to x axis and y axis move with velocity vi in a region having magnetic field B Box...
- Q The absolute minimum temperature for an ideal gas 3 therefore inferred by extrapolating the straight line to the axis in the figure given below This temperature is found to be...
- Q There is a stream of radioactive material having No number of nuclei initially moving with constant speed of 2500 m s If half life of material is 693 s then...
- Q an acceleration of 2 m s2 Answer the following questions As seen by a passenger in car A 36 9 37 Car ATTICAL 1517 1 Con 2 F increa 4...
- Q body is projected vertically upwards with a velocity of 21m s Find the maximum height reached by the body the time taken by it to reach this height the velocity...
- Q 91 The frequency of the first line in Lyman series in the hydrogen spectrum is f The frequency of the corresponding line in the spectrum of doubly ionized lithium is...
- Q Which one is the displacement function for wave Where S is the longitudinal displacement 1 S x t a sin ot ky 2 S x t a sin oot kx...
- Q block of mass m 4 50 kg on a frictionless inclined plane of angle 30 0 is connected by a cord over a massless frictionless pulley to a second block...
- Q From the edge of a vertical cliff 39 2 m high a body is projected vertically upwards with a velocity of 9 8 m s How long does the body...
- Q XGM If the energy required to dissemble particles of earth upto infinite distance is Where M Mass of earth R Radius of earth Evaluate x 3 E U U E...
- Q 1 The system is released from the rest as shown in the figure All the surfaces are smooth and strings and pulleys are ideal and massless The acceleration of block...
- Q Half life for a radioactive sample is 20 min Find the time interval in between decaying from 33 to 66 occurs 1 40 min ns 3 l T1 2 20...
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