Physics question and answers for September 09, 2024
- Q A 2 D 1 B 12 12 C 1 Let the instantaneous velocity of a rocket just after launching be given by the expression v 2t 3t2 where v is...
- Q A thin wire loop carrying current is placed in a uniform magnetic field B pointing out of the plane of the coil as shown in figure The loop will tend...
- Q Two small balls having equal positive charge Q each are suspended by two insulating strings of equal length L from a hook fixed to a stand The whole set up...
- Q 15 The magnitude and direction of the current in the circuit shown will be 10V 1 a 2 7 3 192 www www 6 92 www 692 C 4V A...
- Q The output of microphone is rated at 52 db The reference level is 1 V under specified sound conditions What is output voltage of microphone under the same sound conditions...
- Q A particle of mass m and charge q accelerate by potential difference V and enters a region of uniform transverse magnetic field B If d is width of region of...
- Q C 3 1 If y 3x 2 then find If y 3x tanx then find 6 2x 2x 5 dx 3 3 x dx 1 2 sin x cos x...
- Q Assertion The tendency of skidding or overturning is quadrupled when a cyclist doubles his speed of turning Reason Angle of bending measured from ground decreases as velocity of vehicle increases
- Q A battery of e m f 2 0 V and internal resistance 0 52 is connected across a resistance of 9 52 The number of electrons flowing through the cross...
- Q A particle is dropped from the top of a tower and at the same time another particle is thrown horizontally from the same point Their relative velocity with time in...
- Q Six identical conducting rods are joined as shown in figure Points A and D are maintained at temperature of 200 C and 20 C respectively The temperature of junction B...
- Q uniform linear charge densities 2 and Radius of inner cylinder is a and that of outer cylinder is b A charged particle of mass m charge q revolves in a...
- Q One mole of an ideal monoatomic gas at temperature T expands slowly according to the law P V constant If the final temperature is 2T heat supplied to the gas...
- Q Three conducting rods of same material and cross section are shown in figure Temperatures of A D and C are maintained at 20 C 90 C and 0 C The...
- Q Assertion Magnitude of the contact force is always greater than the magnitude of frictional force Reason Contact force is the resultant of the friction force and normal reaction
- Q O 18 J O 28 J Read More n a thermodynamic process pressure of fixed mass of a gas is changed in such a manner that the gas releases 20...
- Q Kirchhoff s junction and loop laws of electricity are Law of conservation of charge only Law of conservation of energy only Law of conservation of charge and energy respectively Law...
- Q Two infinite long parallel wires A and B carrying current 10 A and 20 A respectively in opposite direction are placed at a separation of 30 cm The magnetic field...
- Q 1 Two projectiles one fired from the surface earth with speed 5 m s and the other fired from the surface of a planet with initial speed 3 m s...
- Q Choose the correct statement Read More O Internal energy is a path function while heat is not O Heat is a path function while internal energy is not O Both...
- Q A conducting rod of length 1 m and mass 1 kg is suspended by two vertical wires through its ends An external magnetic field of 2 T is applied perpendicular...
- Q 4 The length of the resistance wire is increased by 30 by stretching it What is the corresponding change in resistance of wire 1 30 3 44 2 55 4...
- Q The power output of an audio system is 18 W For a person to notice an increase in the output Loudness sound intensity of the system what must be the...
- Q The phase difference between current and voltage in an AC circuit is radian If the frequency of the AC used is 50 Hz then the phase difference is equivalent to...
- Q 184 A particle is moving along a circular path of cale a with constant angular velocity w Magnitud displacement of the particle as a function of t is ytbals 1...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!