Physics question and answers for August 06, 2024
- Q a prism of refractive index 2 refracting angle A produces minimum deviation Dm of a r on one face at an angle of incidence 45 The values of A and...
- Q is pulling a wagon on a rough surface with constant velocity Rough Surface A The net force on the system wagon is in forward direction B Nature of friction on...
- Q se or decrease depending upon clock wise or anticlock wise sense of rotation 10 If ice of the poles will start melting the duration of day and night 1 Increase...
- Q Total number of correct statements are A Tension may be impulsive force B Gravitational force may be impulsive force C Spring force can never be impulsive force D Frictional force...
- Q Dispersion of light in a medium implies that Light of different wavelengths travel with equal speed in medium Light of different frequencies travel with equal speed in medium Refractive index...
- Q iddle angle ches o the ce of rallel 9 A car is fitted with a convex side view mirror of focal length 20 cm Asecond car 2 8 m behind...
- Q 45 15 A rectangular coil of length 0 12 m and width 0 1 m having 50 turns of wire is suspended vertically in a uniform magnetic field of strength...
- Q The period of oscillation of spring block system shown in the figure is Assume pulley and spring to be ideal 1 2T 3 2 m 3k 3m 3k 0000000 eeeeeee...
- Q 13 4 A D C B Surface between blocks is sufficiently rough and surface between block and ground is smooth Assume starting from rest Which of the following is incorrect...
- Q 53 A planet of mass m revolves in an elliptical orbit around the sun so that its maximum and minimum distance from the sun are equal to r and rp...
- Q 3 2 x 10 m 4 100 m Three bars having length 1 21 and 3 and area of cross section A 2A and 3A are joined rigidly end to...
- Q A A wedge free to move of mass M has one face making an angle a with horizontal and is resting on a smooth rigid floor A particle of mass...
- Q For four non coplanar and non collinear vectors P Q R S if P Q R S 0 then which of the following must be incorrect 1 P Q R...
- Q 3 cm s 9 A ring of radius R is hung by a hail on its periphery such that it can freely rotate in its vertical plane The time period...
- Q A man is measuring his actual weight by weighing machine as shown in figure The mass of man is 60 kg Mass of Weighing machine is 20 kg and mass...
- Q Stale If multiplication factor K 1 the operation of the reactor is said to be critical Control rods are made out of the neutron absorbing material such as cadmium Water...
- Q 9 A mosquito net over a 7 ft x 4 ft bed is 3 ft high The net has a hole at one corner of the bed through which a...
- Q 2 on ground both apply Newton s law and measure normal reaction on the body 0 m 79 7777 7777 1 The both measure the same value 2 The both...
- Q 34 The given figure shows a spherical Gaussian surface and a charge distribution When calculating the flux of electric field through the Gaussian surface then the electric field will be...
- Q 4 9 8 x 10 N m A mild steel wire of length 2 meter cross sectional area A m is fixed horizontally between two pillars A small mass m...
- Q Uniform and non uniform acceleration both Which of the following statement is 3 INCORRECT I For motion involving change in direction along the straight line displacement may decrease II Direction...
- Q If photon energy is near about 3 5 eV then it causes the sunburn i e to break the bond in molecules of human ski This corresponds to the wavelength...
- Q e A ball of mass m is suspended by a massless string of length from a fixed point A ball of mass 2m strikes in the direction of 0 45...
- Q Question 2 A particle approaches from very large distance towards concave mirror along the principal axis By the time the particle reaches the mirror the distance between the particle and...
- Q A block of mass 2 kg is moved on a frictional horizontal plane by applying horizon of 10 N The coefficient of friction is 0 2 The kinetic energy of...
- Q The displacement of a pendulum is the angle measured from the vertical For a certain pendulum the displacement is 8 16 sin 4t 0 754 where is measured in radians...
- Q In the given figure a block A rests on a smooth triangular block B and the block B is moved at an acceleration of a 2 m s along the...
- Q A battery of internal resistance one ohm and emf 3 volt sends a current through Imetre of uniform wire of resistance 50 The poles of the cell of emf 1...
- Q AB Determine the resistance RR between points A and B of the frame made of thin homogeneous wire figure assuming that the number of succes sively embedded equilateral triangles wide...
- Q What is correct answer Q 2 Two pipes are connected by a manometer as shown in the figure below Differential readings are 03 0 7 m and 10 m as...
- Q ubwards with speed vo The variation of speed with time is best represented by which of the following graph VA 445 3 2 Vo Vo fu
- Q 26 180 The colour of bright fringe nearest to central white fringe in interference pattern with white light will be X Blue Red Yellow
- Q from the centre of a uniform sphere of 54 The magi 12 and 71 radius R and mass M are F and F2 respectively Then more than one are correct...
- Q 94 In the given figure the block is moved to compress the spring by 3 2 cm from the shown natural length and released If the collision with the wall...
- Q For a black body maintained at temperature To K the maximum radiation occurs at wavelength o If the temperature is raised to T K To 2 corresponding wavelength is If...
- Q Three long wires are placed along X axis Y axis and Z axis and they carry equal current in positive direction The magnetic field produced due to them at point...
- Q The position of a particle is given as 7 at bt 1 Find the a Equation of trajectory of the particle ns y bx a b Tangential normal acceleration and...
- Q Part A options left to right or right to left Consider the parametric equations below x t 6 y t 3 a Describe the motion of the particle moving according...
- Q On an X temperature scale water freezes at 125 X and boils at 375 X On a Y temperature scale water freezes at 70 0 Y and boils at 30...
- Q In the given arrangement all strings and pulleys are ideal When system was released it was observed that m1 m2 do not move Then 5 1 m1 m3 m1m4 4m3...
- Q V IV A IV 39 ww Hr 0 VB 2 OB 5V ww 7 592 6V wwwc 552 C Vc 6V In the above diagram 1 Potential at junction O...
- Q 7 A projectile is projected with a speed u making an angle 20 with the horizontal What is the speed when its direction of motion makes an angle 0 with...
- Q Two mutually perpendicular simple harmonic vibration of same frequency superimpose on each other The amplitude of two vibration is different and T they are differing each other in phase by...
- Q 11 The electric field in a certain region is given by E 51 3 kV m The potential difference VB VA between points A and B having coordinates 4 0...
- Q 4 A point charge Q is placed at the centre of a hemisphere Find the ratio of electric flux passing through curved surface and plane surface of the hemisphere a...
- Q d none of these 60 A black spot is present at the center of the face of an equilateral prism A man placed his eye close to the opposite corner...
- Q 9 In a certain hypothetical radioactive decay process species A decays into species B and species B decays into species C according to the given reactions A 2B particles energy...
- Q The length of each side of a cubical closed surface is L If the charge Q 24 Eo In SI unit is situated at vertex of cube as shown then...
- Q Two semicircular thin wires of radii R and R2 having same origin O are uniformly charged with charge density A and A2 as shown in the figure If the net...
- Q 1 In LCR series circuit source voltage is 120 V and voltage across inductor is 50 V If voltage drop across resistance is 40 V then determine voltage in capacitor...
- Q 2 10 m s 4 10 m s 3 15 m s A lift coming from 8th floor is just about to 4th floor and stops on 4th floor Taking...
- Q SolveLancer Test A particle moves rd of total distance with an acceleration 10 m s starting from rest The remaining distance cover with constant velocity then find the ratio of...
- Q A2 cm high object is placed on the principal axis of a concave mirror at a distance of 12 cm from the pole If the image is inverted real and...
- Q A boy tries to cross the river and want to reach at the exactly opposite point on the other bank then what is the necessary relation between v and v...
- Q A particle P is moving on a circle under the action of only one force which always acts at the towards a fixed point O lying on the circumference Find...
- Q 2 Three rods equal length 1 connected in such away 42 that they from an equilateral triangle PQR Q be the mid point of PQ and OR remains constant for...
- Q 1 sketch a graph that shows the proper relationship Case A Gravitational Potential Energy Eg Total gravitational potential energy is zero at infinity Gravitational potential energy is negative Maximum value...
- Q above the target 2 Pass below the target 3 Hit the target 4 Certainly miss the target Neglecting the air resistance the time of fligh of a projectile is determined...
- Q An infinitely long wire carrying a current I in vertically upward direction y direction is placed near the surface of earth as shown in figure Neglect the earth s magnetic...
- Q The velocity time graph of two particles moving along x axis is shown in figure At t 0 both were at origin During first 4 sec the instant when they...
- Q hree point charges are placed at the corners of a rectangle as shown in figure If a 54 cm and q 25 C then calculate the magnitu lectric force in...
- Q X The position of a particle varies with time as x t 1 e t where Vo Vo B is a positive constant and 0 Dimensions of Vo and 3...
- Q 4 8 0 m from the person A ray of light is incident at 50 on the middle of one of the two mirrors arranged at an angle of 60...
- Q 20 If a semiconductor has an intrinsic carrier concentration of 1 41 x 10 6 m3 when doped with 1021 m3 phosphorus then the concentration of holes at room temperature...
- Q 75 m A concave mirror has a focal length 20 cm The distance between the two positions of the object for which the image size is double of the object...
- Q 5 In the following the diodes are either forward biased or reverse biased Choose the correct statement 8V9 www I A wwww 4V 6 8V 8V www II 8 Vo...
- Q Curve representing path of the object 18 If v and a represent velocity and acceleration 18 respectively then v may remains applicable in 1 1 Dimensional motion 2 Projectile motion...
- Q ht 4 None of these If P 2Q then which of the following is incorrect 1 P n 2 Direc 3 Dime 4 All c it be equal to 2...
- Q 48 In the circuit shown current through resistance 2 is i and current through resistance 30 2 is i Find the ratio sting 1 9 1 3 5 1 202...
- Q The component of a vector r along x axis will have maximum value if 1 F is along positive y axis 2 is along positive x axis 3 I makes...
- Q The diagram shows four slabs of different materials with equal thickness placed side by side Heat flows from left to right and the steady state temperature of the interface are...
- Q Fig Shows a plane mirror onto which a light ray incident If the incidenting light ray is turned b 10 and the mirror by 20 as shown then the angl...
- Q 20 Two points are at distance r and r from a long string having charge per unit length o The potential difference between the points is proportional to 1 O...
- Q 21 A semicircular wire of radius a having as charge per unit length is shown in the figure Find the electric potential at the centre of the semicircular wire a...
- Q of drop 3 At the top most point 4 Any where is between the poi projection and topmost point 4 A gun is aimed at a target in a line...
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