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The moment of inertia of a disc of mass M and radius R about an axis, which is tangential to the circumference of the disc and parallel to its diameter, is
17
Oct
The moment of inertia of a disc of mass M and radius R about an axis, which is tangential to the circumference of the disc and parallel to its diameter, is is The moment of inertia of a disc of mass M and radius R about an axis which is tangential to the circumference of [...]
In figure, the conductors carry equal currents i. All straight segments are very long and the two circular loops have equal radii. However, the currents around the loops have opposite senses. The ratio of the magnetic fields at a and b , at the centres of the two loops , is
17
Oct
In figure, the conductors carry equal currents i. All straight segments are very long and the two circular loops have equal radii. However, the currents around the loops have opposite senses. The ratio of the magnetic fields at a and b , at the centres of the two loops , is at the centres of [...]
A wire is bent in the form of a circular arc with a straight portion AB. Magnetic induction at O when current I flowing in the wire, is
17
Oct
A wire is bent in the form of a circular arc with a straight portion AB. Magnetic induction at O when current I flowing in the wire, is A wire is bent in the form of a circular arc with a straight portion AB. Magnetic induction at O when current I flowing in the wire [...]
10^-3 W of 5000 A light is directed on a photoelectric cell. If the current in the cell is 0.16 mu A, the percentage of incident photons which produce photoelectrons, is
12
Oct
10^-3 W of 5000 A light is directed on a photoelectric cell. If the current in the cell is 0.16 mu A, the percentage of incident photons which produce photoelectrons, is 10^-3 W of 5000 A light is directed on a photoelectric cell. If the current in the cell is 0.16 mu A is the [...]
Two coherent light sources, each of wavelength lemda, are separated by a distance 3 lemda. The maximum number of minima formed on line AB which runs from – infinity to + infinity, is
10
Oct
Two coherent light sources, each of wavelength lemda, are separated by a distance 3 lemda. The maximum number of minima formed on line AB which runs from – infinity to + infinity, is are separated by a distance 3 lemda. The maximum number of minima formed on line AB which runs from - infinity to [...]
A cyclic process for 1 mole of an ideal gas is shown in figure in the V – T, diagram. The work done in AB, BC and CA respectively, is
05
Oct
A cyclic process for 1 mole of an ideal gas is shown in figure in the V – T, diagram. The work done in AB, BC and CA respectively, is A cyclic process for 1 mole of an ideal gas is shown in figure in the V - T BC and CA respectively diagram. The [...]
Choose the correct choice in the following and justify : (ii) 11th term of the AP: −3,−2/1,2,…., is
04
Oct
Choose the correct choice in the following and justify : (ii) 11th term of the AP: −3,−2/1,2,…., is .... −2/1 2 Choose the correct choice in the following and justify : (ii) 11th term of the AP: −3 is October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,
Choose the correct choice in the following and justify: (1) 30th term of the A.P: 10, 7, 4, …, is
04
Oct
Choose the correct choice in the following and justify: (1) 30th term of the A.P: 10, 7, 4, …, is ... 4 7) Choose the correct choice in the following and justify: (1) 30th term of the A.P: 10 is October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 [...]
The orbital velocity of an artificial satellite in a circular orbit just above the earth’s surface is V 0 . The orbital velocity of a satellite orbiting at an altitude of half of the radius, is:
02
Oct
The orbital velocity of an artificial satellite in a circular orbit just above the earth’s surface is V 0 . The orbital velocity of a satellite orbiting at an altitude of half of the radius, is: is The orbital velocity of an artificial satellite in a circular orbit just above the earth's surface is V [...]
If g is the acceleration due to gravity on the earth’s surface, the gain in the potential energy of an object of mass m raised from the surface of the earth to a height equal to the radius R of the earth, is
02
Oct
If g is the acceleration due to gravity on the earth’s surface, the gain in the potential energy of an object of mass m raised from the surface of the earth to a height equal to the radius R of the earth, is If g is the acceleration due to gravity on the earth's surface [...]