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A bus is moving with a speed of 10 m s−1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist with what speed should the scooterist chase the bus?
10
Sep
A bus is moving with a speed of 10 m s−1 on a straight road. A scooterist wishes to overtake the bus in 100 s. If the bus is at a distance of 1 km from the scooterist with what speed should the scooterist chase the bus? A person walks up a stationary escalator in [...]
A conducting rod AC of length 4l is rotated about a point O in a uniform magnetic field B directed into the paper AO= l and OC = 3l. Then
10
Sep
A conducting rod AC of length 4l is rotated about a point O in a uniform magnetic field B directed into the paper AO= l and OC = 3l. Then A conducting rod AC of length 4l is rotated about a point O in a uniform magnetic field B directed into the paper AO= l [...]
A train of 150m length is going toward north direction at a speed of 10ms-1. A parrot flies at a speed of 5ms-1 toward south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to.
10
Sep
A train of 150m length is going toward north direction at a speed of 10ms-1. A parrot flies at a speed of 5ms-1 toward south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to. A person walks up a stationary escalator in t1 . If [...]
A screen is at a distance D = 80 cm from a diaphragm having two narrow slits S1 and S2 which are d = 2mm apart. Slit S1 is covered by a transparent sheet of thickness t1 = 2.5 mu m
10
Sep
A screen is at a distance D = 80 cm from a diaphragm having two narrow slits S1 and S2 which are d = 2mm apart. Slit S1 is covered by a transparent sheet of thickness t1 = 2.5 mu m A screen is at a distance D = 80 cm from a diaphragm having [...]
In Young’s experiment, the upper slit is covered by a thin glass plate of refractive index 1.4 while the lower slit is covered by another glass plate, having the same thickness as the first one but
10
Sep
In Young’s experiment, the upper slit is covered by a thin glass plate of refractive index 1.4 while the lower slit is covered by another glass plate, having the same thickness as the first one but having the same thickness as the first one but In Young's experiment the upper slit is covered by a [...]
A monochromatic light of lemda = 500 A is incident on two identical slits separated by a distance of 5 * 10^-4 m. The interference pattern is seen on a screen placed at a distance of 1 m from the plane of slits.
10
Sep
A monochromatic light of lemda = 500 A is incident on two identical slits separated by a distance of 5 * 10^-4 m. The interference pattern is seen on a screen placed at a distance of 1 m from the plane of slits. White coherent light (4000-7000 A) is sent through the slits of a [...]
A double slit apparatus is immersed in a liquid of refractive index 1.33. It has slit separation of 1 mm and distance between the plane of slits and the scree is 1.33m. The slits are illuminated
10
Sep
A double slit apparatus is immersed in a liquid of refractive index 1.33. It has slit separation of 1 mm and distance between the plane of slits and the scree is 1.33m. The slits are illuminated A double slit apparatus is immersed in a liquid of refractive index 1.33. It has slit separation of 1 [...]
A thin paper of thickness 0.02 mm having a refractive index 1.45 is pasted across one of the slits in a YDSE. The paper transmits 4/9 of the light energy falling on it. (a) Find the ratio of maximum intensity
10
Sep
A thin paper of thickness 0.02 mm having a refractive index 1.45 is pasted across one of the slits in a YDSE. The paper transmits 4/9 of the light energy falling on it. (a) Find the ratio of maximum intensity White coherent light (4000-7000 A) is sent through the slits of a YDSE. The separation [...]
A conducting rod of length 2l is rotating with constant angular speed omega about its perpendicular bisector. A uniform magnetic field B exists parallel to the axis of rotation. The e.m.f. induced between two ends of the rod is
10
Sep
A conducting rod of length 2l is rotating with constant angular speed omega about its perpendicular bisector. A uniform magnetic field B exists parallel to the axis of rotation. The e.m.f. induced between two ends of the rod is A copper rod of length l is rotated about one end perpendicular to the magnetic field [...]
Fig. shows a conducting loop being pulled out of a magnetic field with a constant speed `v`.Which of the four plots shown in fig. may represent the power delivered by the putting agent as a function of the constant speed `v`.
10
Sep
Fig. shows a conducting loop being pulled out of a magnetic field with a constant speed `v`.Which of the four plots shown in fig. may represent the power delivered by the putting agent as a function of the constant speed `v`. A straight wire of length L is bent into a semicircle. It is moved [...]