Physics question and answers for July 01, 2024
- Q er system is capable of lasing at several infrared wavelengths where the most prominent ngth is 3 1235 mm Given k 8 6x 10 5eV K or 1 38 X...
- Q 4 The formula for centrepetal acceleration in a circular motion is u an d 2 1 3 x v 4
- Q PASSAGE A step index fiber is made with a core of refractive index 1 36 a diameter of 49 m and a fractional refractive index change of 0 025 it...
- Q 49 A body is performing simple harmonic motion with amplitude a and time period T Variation of its acceleration f with time t is shown in figure If at time...
- Q R 4 20 V 10 6 V R 3 70 V 8 9 V I I Is R 5 50 V3 6 9 V The resistances and voltages in the...
- Q A charged particle of mass m enters a region of uniform magnetic field B with velocity making an angle of 30 with the direction of the magnetic field The path...
- Q A small insect is at 60 cm from a concave mirror of focal length 20 cm What is the image distance from the mirror 30 cm 20 cm 15 cm...
- Q Two thin long parallel wires separated by a distance b are carrying a current i amp each The magnitud of the force per unit length exerted by one wire on...
- Q In the situation shown in the figure the system is in equilibrium All the strings spring and pulley are light Just after cutting the string AB then the tension in...
- Q 1 S 2 S 3 S For the given diagram find the gravitational 37 potential at the centre of the square is m m Gm a 1 2 2 Gm...
- Q Resolving power of compound microscope is given by symbols have their usual meaning d 1 d de 1 de 2 sin e 2 sin e 2 1 222 D D...
- Q A high speed car and an innocent insect have a head on collision The force of impact splatters the poor insect over the windshield Is the corresponding force that the...
- Q 39 A particle of mass M is situated at the centre of a spherical shell of same mass and radius a The a magnitude of the gravitational potential at a...
- Q 31 Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is ESC GH F CH M11547 7 3142 suit at waffech c div si a cuid...
- Q 20 If a baseball player can throw a ball at maximum distance d over a ground the maximum vertical height to which he can throw it will be Ball has...
- Q 5 In the circuit shown in figure ter 25 and voltmeter are ideal If E 4V R and r 102 then readings of ammeter and voltmeter are 1 1A 3V...
- Q An object of height 2 cm is placed at a distanc 20 cm in front of a concave mirror of focal length 12 cm Find the position size and nature...
- Q Q 9 One cubic plate having 15 cm side floats on water surface If surface tension of water is 60 dyne cm To lift this plate from water Find the...
- Q Three electric bulbs whose resistance are in ratio of 1 2 3 are connected in parallel to constant voltage source The power dissipated them has the ratio P P P3...
- Q PASSAGE A laser system is capable of lasing at several infrared wavelengths where the most prominent vavelength is 3 1235 mm Given k 8 6x 10 5eV K or 1...
- Q PASSAGE In Ruby laser total number of Cr3 ions is 3x10 power 19 The laser emits radiation of wavelength 6940 Choose the correct op The energy of one emitt OPTIONS...
- Q shown in the figure A to B the correct option is P 4 Po Po B Vs 3V 1 Temperature first decreases then increases 2 Temperature first increases and then...
- Q PASSAGE A glass clad fiber is made with core glass of refractive index 1 4 and the cladding is doped to give a fractional refractive index difference of 0 004...
- Q The curve represents the distribution of potential along the straight line joining the two charges Q and Q2 separated by a distance r then which is of the following statements...
- Q 2 3 A body moves in a straight line along x axis Its distance x in metre from the origin is given by x 8t 31 The average speed in...
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