Physics question and answers for August 17, 2024
- Q ap a 0 ap ap 2 9 27 a physics Laws of Motion 9 279 T 6a T AT 129 130 g my OR from 40 a NE 72 x2...
- Q a Example 1 13 An early model for an atom considered it to have positively charged point nucleus of charge Ze surrounded by a uniform density of negative charge up...
- Q 59 In a projectile motion the velocity 1 is always perpendicular to the acceleration 2 is never perpendicular to the acceleration 3 is perpendicular to the acceleration for one instant...
- Q 60 7 As shown in figure light P enters to slab at an angle 60 with normal and inside slab Q makes total internal reflection Find minimum refractive index of...
- Q A small coin is resting of filled with a liquid A ray of light from the coin travels upto the surface of the liquid and moves along its surface see...
- Q A uniform rod AB of length and mass m is free to rotate about A The rod is released from rest in the horizontal position Given that the moment of...
- Q Four ideal cells each of emf 10 V are connected as shown in figure The current through 2 Q2 resistor is 1 2 A 2 4 A 3 1 A...
- Q Two tuning forks A and B produce 4 beats per second The fork A is in resonance with a 30cm length of sonometer wire and B is in unison with...
- Q Two ends of a plank are placed on two wedges The plank gets depressed by 1 mm when a load of 2 kg is hung from its mid point What...
- Q 1 20 Mark for Review The effect of eddy current loss in transformer is reduced by O Using laminated core Using thick wire for winding Using solid non laminated core...
- Q The activation energy of a reaction can be determined from the slope of which of the following graph k vs T k vs 2 T
- Q 118 Four metallic plates each with a surface area of one side A are placed at a distance d from each other The plates are connected as shown in the...
- Q An automobile moves on a road with a spee 54 km h The radius of its wheels is 0 45 m the moment of inertia of the wheel about its...
- Q ample 4 Two forces are such that the sum of their magnitudes is 18 N and their resultant is perpendicular to the smaller force and magnitude of resultant is 12...
- Q 3 A small hole of radius r is made in a container filled with liquid of density p as shown in the figure kept in atmosphere at pressure P A...
- Q Three long straight parallel wires carrying current arranged as shown in figure The force experienced by 25 cm length of wire C is C A C 10 3 N zero...
- Q 11 Choose the correct option 1 1 AU 9 46 x 1015 m 2 1 A 10 8 cm 3 1 ly 3 26 Parsec 4 1 Parsec 1 496...
- Q 3 Open end mercury manometer is connected to a gas chamber containing gas at a pressure of 1 38 bar The barometric pressure is 750 mm Hg Mercury level in...
- Q A particle A of mass m and charge Q moves directly towards a fixed particle B which has charge Q The speed of A is a V when it is...
- Q If in a p n junction a square input signal of IU V is applied as shown At 5 V A then the output across RL will be 5 V...
- Q XY as sh the path of electron What will be the direction of current if any induced in the coil Please explain what when start movin ll happen ectron afters...
- Q er circuit is set up as shown The potential gradient across the potentiometer wire is k volt cm and the ammeter present in the circuit reads 1 0 A when...
- Q Explain the phenomenon of beats An ambulance blowing a siren of frequency 700 Hz is travelling towards a vertical reflecting wall with a speed 7 2 km h 1 Calculate...
- Q The basic reason of the force of surface tension is the tendency of the surface of a liquid to a Contract c maintain its area expand or contract 1 Point...
- Q If there is a very small air bubble inside a glass sphere u 1 5 of radius 10 cm at distance 4 cm below its surface then its apparent depth...
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