Physics question and answers for July 22, 2024
- Q A parallel plate capacitor of area 60 cm and separation 3 mm is charged initially to 90 C If the medium between the plates gets slightly conducting and the plate...
- Q A body is thrown vertically upward its velocity and acceleration at top respectively are 0 0 0 g 0 g g g A body is projected vertically up from ground...
- Q 3 45 Initially the switch is in position 1 for a long time in the circuit shown in figure 3 397 At t 0 the switch is moved from 1...
- Q 34 Two long and parallel straight wires A and B carrying currents of 4A and 2A in the same direction are separated by a distance of 2 cm The force...
- Q angle 80 A particle is fired with with the horizontal What is the magnitude of change in velocity when it returns to the ground 1 u cos 0 2 u...
- Q Two planets have masses M and 16 M and their radii are a and 2a respectively The separation between the centres of one planets is 10a A body of mass...
- Q 49 A simple pendulum oscillator has an amplitude A and time period T The time required by it to trave from x A to x 1 A 2 dan m...
- Q moment u is rotated to the direction of done is sine cos0 toward earth e deflected 49 4 tan 14 3 Magnetic moment of a bar magnet shown in figure...
- Q A magnet when suspended at an angle of 30 to magnetic meridian the dip needle makes an angle 45 with horizontal The dip angle measured in magnetic meridian will be...
- Q metic meridian the at the place is Magnetism and Matter 299 The horizontal component of the earth s magnetic field at a place is 3 x 10 4 T and...
- Q 3 As shown in figure the key K is closed the direction of the induced current in the coil B will be A O B In 1 clockwise and momentary...
- Q Q4 The refractive index of vitreous humor in our eye ball is 1 34 Visible light of wavelength ranges from 402 rim to 670 nm as measured in air The...
- Q clinic lines A magnetic needle makes n oscillations per minute in a horizontal plane where angle of dip is 45 If needle is made to oscillate in a vertical plane...
- Q A Ball coming back to Projection Point A ball is projected with a velocity u at an elevation from a point distance d from a smooth vertical wall in a...
- Q illustration 9 A converging lens of focal length 15 cm and a converging mirror of focal le 20 cm are placed with their principal axes coinciding Point object is placed...
- Q 2 The length of each side of a cubical closed surface is 1 If charge q is situated on one of the vertices of the cube then find the flux...
- Q 2 A parallel plate capacitor after charging is kept connected to a battery and the plates are pulled apart with the help of insulating handles Now which of the following...
- Q The gap between the plates of a paralle I plate capacitor of area A and distance between plates d is filled with a dielectric whose permittivity varies linearly from at...
- Q Seven resistor are connected as shown in circuit The equivalent resistance in ohms of this network between A and B and a fa A 7B H87 H Y G 3...
- Q 6 A particle moves along a straight line such that its displacement at any time t is given by S t 6t2 3t 4 metres The velocity when the acceleration...
- Q d the voltage e voltmeter ng V A micrometer has a resistance of 10002 and full scale deflection current of 50 A How can it be made to work as...
- Q Under the action of a force a 2kg body moves such that its position x as a function of time is given by X O 16 J O 16 J...
- Q 3 1 Two parallel plate capacitor of capacitance 2C and Care charged to the potentials 2V and V respectively and are connected in a circuit along with a resistance R...
- Q Four cells and six resistances are connected as shown in the figure Then CO MAZZA 30 B 1202 www 12V 802 ww www del 3 The magnitude of current through...
- Q ii A cell of EMF 3 4V and internal resistance 30 is connected to an ammeter having resistance 202 and to an external resistance of 10052 When a voltmeter is...
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