Physics question and answers for August 16, 2024
- Q Derive the e m f equation of a D C generator An 8 pole DC generator has 500 armature conductors and a useful flux of 0 5wb What will be...
- Q The electric field of a plane electromagnetic wave in vaccum is represented by Ex 0 Ey 0 5 cos quantities are is S I units Find the component of magnetic...
- Q Two charges 9 c and 9 c are placed at the points P 1 0 4 m and Q 2 1 5 m located in the electric field E 0...
- Q In a Rutherford a scattering experiment when 1 a projectile of charge Z and mass M approaches a target nucleus of charge Z and mass M the distance of closest...
- Q A man can swim with a speed of 3m s in still water and river flows at the rate of 5m s River width is 500m 4 A For shortest...
- Q A boy standing on road has to hold umbrella at 30 with vertical to keep the rain away He throws umbrella and starts running at 10 km hr he finds...
- Q A 4g bullet is fired horizontally with a speed of 300 m s in to 0 8 kg block of wood at rest on a table If the coefficient of...
- Q Q7 25 Feb 2021 Shift Imathange mathonga mathongo mathongo Two coherent light sources having intensity in the ratio 2x produce an interference pattern The ratio will be mal 2 2x...
- Q Wave Optics Questions with Answer Keys malt Ampu regthe An unpolarized light beam is incident on the polarizer of a polarization experiment and the intensity of light beam emerging from...
- Q Calculate the de Broglie wavelength of Rb atom at a temperature of T 100 K Assume kinetic energy at temperature T is given by 3kgT 2 where kg 1 38x1023...
- Q A bomb is projected with a velocity of 5 m s at an angle 8 from the horizontal ground It explodes in two equal fragments at the maximum height One...
- Q Consider a series RC circuit as in the figure below for which 0 00 MQ C 9 00 u and 8 21 0 V a Find the time constant of...
- Q 5 Current sensitivity of a moving coil galvanometer is 5 div mA and its voltage sensitivity angular deflection per unit voltage applied is 20 div V The resistance of the...
- Q 1 point A frictionless spring with a 8 kg mass can be held stretched 1 2 meters beyond its natural length by a force of 100 newtons Find the position...
- Q A wheel rotating at 20 rad s is brought to rest by a constant torque in 4 second If moment of inertia of wheel is 0 2 kg m What...
- Q A block moving horizontally on a smooth su rface with a speed of 20m s Suddenly expl odes in the ratio 1 2 and lighter part move p erpendicular to...
- Q Figure shows two coherent sources of waves vibrating of phase and separated by a distance of 8 cm P is the nearest point to the axis where constructive interference occurs...
- Q A weight W rests on the bar AB as shown in figure The cable connecting W B passes over frictionless pulley If bar AB has negligible weight find reaction at...
- Q A source emits sound uniformly in all directions A radial line is drawn from this source On this lir determine the positions of two points 1 00 m apart such...
- Q and area of shown in the circuit given below Given that resistivities of the wires PA PB Pc and Po are 22 m 62 m 12 2 m and 2...
- Q An inductor 20 mH a capacitor 100 F and a resistor 500 are connected in series across a source of emf V 10 sin 314 t The power loss in...
- Q In the Young s double slit experiment the distance between the slits varies in time ashongomothongs d t do ao sinot where do w and ao are mathongo matho constants...
- Q I 10 1 The image of a point source kept at origin O forms at point A due to transparent sphere of radius 10 cm as shown in the figure...
- Q Q18 At the instant shown in the figure the block A is moving downwards at speed u If the string is tight and the block B moves horizontally the speed...
- Q A small ball of mass m starts at a point A with speed vand moves along a frictionless track AB as shown The track BC has coefficient of friction The...
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