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Comprehension for 44-46 Two fixed charges -2Q and Q are located at the points with coordinates (-3,0) and (3,0) respectively in the x-y plane. The locus of points in the plane where electric potential is zero is a circle with ...

efficiency of the cycle is ...

Heat input to the cycle is ...

Comprehension for 41-43 The Diesel cycle is the thermodynamic cycle which approximates the pressure and volume of the combustion chamber of the Diesel engine, invented by Rudolph Diesel in 1897.The process A→B is an adiabat ...

F= ...

f1= ...

Comprehension for 45-47 *Image* In the figure masses m1, m2, and M are 20 kg, 5 kg and 50 kg respectively. The coefficient of friction between M and ground is zero. The coefficient of friction between m1 and M and that betwee ...

The magnitude of the velocity of the body 2 at the instant body 1 stops is ...

The Distance between the bodies when the body 1 stops is ...

Comprehension for 38-40 Any body thrown at some angle on the earth surface follows a parabolic path. The motion of the body is given as y=xtanθ0-gx2/2(v0cosθ0)2 where θ0 is the angle of projection and v0 is the velocit ...

STATEMENT-I: Increasing the amplitude of the SHM by two times, the maximum acceleration gets doubled. STATEMENT-II: Increasing the amplitude of the SHM by two times, the maximum total energy gets doubled. ...

In the ideal double slit experiment, when a glass-plate(μ=1.5) of thickness 2λ is introduced in the path of one of the interfering beams (wavelength λ), STATEMENT-I: The intensity at the position where the central maxi ...

A beam of white light is incident on glass air interface from glass to air such that green light just suffers total internal reflection. STATEMENT-I: Yellow, Orange, Red will come out to air STATEMENT-II: wavelengths of yello ...

*Image* An infinite current carrying wire passes through point O and is perpendicular to the plane containing a current carrying loop ABCD as shown in figure. STATEMENT-I: Net force on the loop is zero STATEMENT-II: As seen f ...

Two bulbs of 25W and 100W rated at 220 volts are connected in series across a 440 volts supply. STATEMENT-I: 25 watt bulb will fuse STATEMENT-II: Voltage across 25W bulb is greater than the voltage across 100W bulb ...

A dielectric slab of thickness d is inserted in a parallel plate capacitor whose negative plate is at x=0 and positive plate is at x=3d. The slab is equidistant from the plates. The capacitor is given some charge. STA ...

Reasoning Type An ideal black body at room temperature is thrown into a furnace. It is observed that STATEMENT-I: it is the darkest body at all times STATEMENT-II: black body absorbs all heat at highest rate ...

Reasoning Type A cubical block is floating inside a bath. The temperature of system is increased by small temperature ΔT. STATEMENT-I: It was found that the depth of submerged portion of cube does not change. STATEMENT-II: c ...

*Image* A point source S is placed midway between two converging mirrors having equal focal length f as shown in figure. For what d, only one image is formed ...

*Image* A conducting loop is puled with constant velocity towards a region of uniform magnetic field of induction B inward to the plane as shown in the figure. Then the current involved in the loop (d>r) ...

*Image* Two blocks A and B of mass m are connected by a massless spring of natural length L and spring constant K. The blocks are initially resting on a smooth horizontal floor with the spring at its natural length, as shown ...

Multiple Correct Answers Follows *Image* A man pushes a solid cylinder of mass m1=20 kg wtih the help of a plank of mass m2=5 kg as shown in figure. There is no slipping at any contact. The horizontal component of the ...

If a star converts all of its Helium into oxygen nucleus, the amount of energy released per nucleus of oxygen is (He=4.0026 amu, O=15.9994 amu) ...

An α particle and a proton are subjected to the same magnetic field B. B is perpendicular to the velocity vectors of the particles. The radii of their paths are equal to each other. The ratio of their de-Broglie wavelength i ...

When a metallic surface is illuminated with monochromatic light of wavelength λ, the stopping potential is V. If light of wavelength 2λ is used, the stopping potential is V/4. The threshold wavelength for the surface is ...

*Image* The reading of vernier caliper is ...

The total energy of the electron in the hydrogen in the ground state is -13.6 eV. Kinetic energy of the electron in hydrogen atom in the first excited state is ...

A concave lens of glass, refractive index 1.5, has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75, it will behave as a ...

An isosceles prism of angle 120° has a refractive index 1.44. Two parallel monochromatic rays enter the prism parallel to each other in air as shown. The rays emerge from the opposite faces *Image* ...

A point object O is placed at a distance of 30 cm from the pole of the convex mirror of focal length 20 cm as shown in the figure. Find the final image distance from the object. *Image* ...