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At equilibrium find the angle q made by tangent to the surface at P (x, y) with the horizontal
The correct answer is:
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An equiconcave diverging lens of focal length F is cut into two equal halves. The two halves are turned around and joined with some liquid between them. The lens obtained is converging with focal length F. If the refractive index of the liquid is 3 then what is the refractive index of the lens?
An equiconcave diverging lens of focal length F is cut into two equal halves. The two halves are turned around and joined with some liquid between them. The lens obtained is converging with focal length F. If the refractive index of the liquid is 3 then what is the refractive index of the lens?
physics-General
physics-
A nonconducting ring of radius R has two charges q and q/2 distributed uniformly on two half of it. A negative charge q/2 (mass = m) is placed at a distance R from the centre of the ring on its axis at a point P and released. If this charge is restricted to move freely only along the axis of the ring, find the speed of this charge when it crosses the centre of the ring
A nonconducting ring of radius R has two charges q and q/2 distributed uniformly on two half of it. A negative charge q/2 (mass = m) is placed at a distance R from the centre of the ring on its axis at a point P and released. If this charge is restricted to move freely only along the axis of the ring, find the speed of this charge when it crosses the centre of the ring
physics-General
physics-
An electroscope is given a positive charge, causing its foil leaves to separate. When an object is brought near the top plate of the electroscope, the foils separate even further. We could conclude
An electroscope is given a positive charge, causing its foil leaves to separate. When an object is brought near the top plate of the electroscope, the foils separate even further. We could conclude
physics-General
physics-
Two point like charges a & b whose magnitudes are same are positioned at a certain distance from each other, a is at origin. Graph is drawn between electric field strength and distance x from a. E is taken positive if it is along the line joining from a to b
Two point like charges a & b whose magnitudes are same are positioned at a certain distance from each other, a is at origin. Graph is drawn between electric field strength and distance x from a. E is taken positive if it is along the line joining from a to b
physics-General
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Several particles are projected simultaneously in the same vertical plane from a fixed point O, all with the same initial speed but with different angles of projection with the horizontal
Several particles are projected simultaneously in the same vertical plane from a fixed point O, all with the same initial speed but with different angles of projection with the horizontal
physics-General
physics-
A car travels with constant speed on a circular road on level ground. In the diagram above, Fair is the force of air resistance on the car. Which of the other forces shown best represents the horizontal force of the road on the car's tires?
A car travels with constant speed on a circular road on level ground. In the diagram above, Fair is the force of air resistance on the car. Which of the other forces shown best represents the horizontal force of the road on the car's tires?
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physics-
System shown in figure is released from rest. Pulley and spring is massless and friction is absent everywhere. The speed of 5 kg block when 2 kg block leaves the contact with ground is (Take force constant of spring k = 40 N/m and g = 
:
<img src="https://mycourses.turito.com/tokenpluginfile.php/c161933dbfaab094c54655ab71e9b8f0/1/question/questiontext/589679/1/1082690/Picture74.png" alt=""
System shown in figure is released from rest. Pulley and spring is massless and friction is absent everywhere. The speed of 5 kg block when 2 kg block leaves the contact with ground is (Take force constant of spring k = 40 N/m and g = :
<img src="https://mycourses.turito.com/tokenpluginfile.php/c161933dbfaab094c54655ab71e9b8f0/1/question/questiontext/589679/1/1082690/Picture74.png" alt=""
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For the biprism experiment shown in the figure, the fringe width increases when
For the biprism experiment shown in the figure, the fringe width increases when
physics-General
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When the cart maximally compresses the spring at the bottom of the fixed track, the cart’s
When the cart maximally compresses the spring at the bottom of the fixed track, the cart’s
physics-General
physics-
An endless inextensible string passes over two small smooth pegs A and B, AB being horizontal, two particles of mass M and m (M > m) are attached to the string. The particle of mass m is released when it is in level with the pegs. As it comes down M rises up vertically. If and when they cross each other
An endless inextensible string passes over two small smooth pegs A and B, AB being horizontal, two particles of mass M and m (M > m) are attached to the string. The particle of mass m is released when it is in level with the pegs. As it comes down M rises up vertically. If and when they cross each other
physics-General
physics-
A ray of light parallel to the axis of a converging lens (having focal length f ) strikes it at a small distance ‘h’ from its optical centre. A thin prism having angle q and refractive index m is placed normal to the axis of lens at a distance ‘d’ from it. What should be the value of m so that the ray emerges parallel to the lens axis.
A ray of light parallel to the axis of a converging lens (having focal length f ) strikes it at a small distance ‘h’ from its optical centre. A thin prism having angle q and refractive index m is placed normal to the axis of lens at a distance ‘d’ from it. What should be the value of m so that the ray emerges parallel to the lens axis.
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An observer looks down on two glass plates, one placed on top of the other. The top plate pivots about a line of contact at its edge as shown in the figure. The angle created by the pivoting motion increases in time. Which is true?
An observer looks down on two glass plates, one placed on top of the other. The top plate pivots about a line of contact at its edge as shown in the figure. The angle created by the pivoting motion increases in time. Which is true?
physics-General
physics-
In a YDSE, if the incident light consists of two wavelengths 
and 
, the slit separation is d, and the distance between the slit and the screen is D, the maxima due to each wavelength will coincide at a distance from the central maxima, given by
In a YDSE, if the incident light consists of two wavelengths and , the slit separation is d, and the distance between the slit and the screen is D, the maxima due to each wavelength will coincide at a distance from the central maxima, given by
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physics-
The central maximum normally occurs at a spot on the screen midway between the two slits at room temperature. On insertion of the transparent plate –
The central maximum normally occurs at a spot on the screen midway between the two slits at room temperature. On insertion of the transparent plate –
physics-General
physics-
Two coherent sources A & B emitting light of wavelength 
are placed at position (–D, 0) and (–D, 3) respectively. Here D >> . The number of minima on y-axis and maxima on x-axis respectively are
Two coherent sources A & B emitting light of wavelength are placed at position (–D, 0) and (–D, 3) respectively. Here D >> . The number of minima on y-axis and maxima on x-axis respectively are
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