21 N 83 N 15 N 081 N
Q: A capacitor of capacitance 400 µF is charged so that the potential difference between its plates is ...
A: Given: C=400 μF V=5 V d=1 cm Formula used: Electrical field strength=E×d
Q: A steel ball is dropped in oil, then ___________ a) The ball attains constant velocity after sometim...
A: A
Q: If the earth were to shrink suddenly, what would happen to the length of the day? a) It increases b)...
A: C
Q: Sound Wave The oscillations in air pressure representing the sound wave for a tone at thestandard pi...
A: Given information: The equation of the oscillations, y=0.02sin880πt 0≤t≤0.01
Q: Which of the following is not a thermodynamics co-ordinate? a) P b) T c) V d) R
A: D
Q: The driver of a three wheeler with a speed of 36km/h sees a child in the middle of the road and brin...
A: Given : Mass of three wheeler m = 400 kg Mass of the driver m = 65 kg ...
Q: A boat having a length of 3m and breadth 2m is floating on a lake. The boat sinks by one cm when a m...
A: Given: The length of the boat l = 3 m. The breadth of the boat b = 2 m. The height of boat sinks h ...
Q: The bulb of one thermometer is spherical, while that of other is cylindrical. If both of them have a...
A: B
Q: An electric field of strength E = 5000 N/C is directed along the +x-axis as shown. A electron is ini...
A: Given Electric field E = 5000 N/C
Q: When a gas is suddenly compressed, its temperature decreases. a) True b) False
A: B
Q: If radius of the earth is reduced, then ___________ a) Time duration is reduced b) Earth rotates slo...
A: C
Q: What is the effect of annealing on elasticity of materials? a) Increases the elasticity b) Decreases...
A: B
Q: What is thermal conductivity
A: The thermal conductivity of a material is a measure of its ability to conduct heat. It is commonly d...
Q: Which one of the following does not involve the Doppler effect, a plane becoming louder as it approa...
A: Which one of the following does not involve the Doppler effect, a plane becoming louder as it approa...
Q: The angular momentum of a body is 3.14 is and its rate of revolution is 10 cycles per second. Calcul...
A: Given data, Angular momentum L=3.14 J·sω=10 cycles per seconds=10 x 2π rad/s=20π rad/sω=20π rad/s
Q: 8) Related to opposing matter particles a) they are unloadedb) they may be masslessc) they can be sp...
A: Opposing matter particles are elementary particle so they can not be unloaded Opposing matter parti...
Q: The work done in moving a charge of 70 µC from one point to another point in an electric field is 21...
A: The formula to calculate the force acting on a change in an electric field is given by F→=qE→..........
Q: How are the boundaries between the regions of the atmosphere determined?
A: The atmosphere can be divided into layers based on its temperature. The layers are the troposphere...
Q: The factory has a choice of two beta- Sources. Source Hafe Barium119 85 minutes Strantium-90 28 year...
A: Introduction: Beta-decay is a type of radioactive decay in which a beta particle is emitted from an ...
Q: In a given process of an ideal gas, dW=0 and the dQ<0. Then for the gas ___________ a) The temper...
A: C
Q: 1. A 400.0-N sign hangs from the end of a uniform strut. The strut is 4.0 m long and weighs 600.0 N....
A: Given: The weight of the sign is 400.0 N. The length of the strut is 4.0 m. The weight of the strut ...
Q: An automobile tire is rated to last 50000 miles.to an order magnitude, through how many revolutions ...
A:
Q: A skydiver jumps from an airplane, the resistance he encountered is proportional to its velocity and...
A: 1. Let the resistance be kv(i) mg - kv1 =0 during limiting velocity(ii) mg -3k'v2 =0 (on 2nd dive...
Q: The values of the biological signals from 3 separate sensors before the amplifier are known as: V1 =...
A: Since the output voltage Vo of the Op.amp is positive so it is a non-inverting amplifier, and the in...
Q: 50g of ice at 0°C is mixed with 50g of water at 80°C, what will be the final temperature of a mixtur...
A: Option
Q: Kepler’s second law is based on ___________ a) Newton’s first law b) Newton’s second law c) Special ...
A: D
Q: A missile is launched with a velocity less than escape velocity. The sum of its kinetic energy and p...
A: C
Q: Compare the total energy radiated by your body in one day (expressed in kilocalories) to the energy ...
A: The total power radiated by our body is P=1050 W. The energy we would lose in one day will be: E=105...
Q: substance breaks down by a stress of (106 N)/m2. If the density of the material of the wire is 3×(10...
A: C
Q: 1. Assume that the 195pt crystal in the electron microscope image at right has a density of 21.45g/c...
A: Given : Density ρ = 21.45 g/cc λ = 0.23 nm
Q: A man is standing on an international space station which is orbiting earth at an altitude 520km wit...
A: Given data: The altitude is h=520 km. The speed is v=7.6 km/s. The mass of the man is m=50 kg. The...
Q: Two eesistimceb of 30 n each are seis with heat aranged Jonls perdudd for One neinete a voltge romce...
A: Formula for Heat liberated, H = I2 * R * T or H = T * V2 / R Data given : Time, T = 1 minute = 60 s...
Q: Fluids cannot resist sheer stress. a) True b) False
A: True
Q: The circuit in the figure below contains a 90.0 V battery and four capacitors. In the top parallel b...
A: Subpart (a): According to he diagram, the capacitors C1 and 6.00 μF are in series and C2 and 2.00 μF...
Q: The thermometer bulb should have ___________ a) High heat capacity b) No heat capacity c) Small heat...
A: C
Q: Same material is used to make a sphere, a cube and a thin circular plate and having the same mass. T...
A: Given: The initial temperature of the material is T = 30000C
Q: What is the mass of a body that weighs 1N at a [place where g = 9.80m/s]? a) 0kg b) 1.02kg c) 0.102k...
A: C
Q: A constant pressure air thermometer gave a reading of 47.5 units of volume, when immersed in ice-col...
A: B
Q: Question 1. Given an infinite dimensional Hilbert space construct a sequence x, So that ||x|| = 1 bu...
A: Given: An infinite-dimensional Hilbert space To find: Construct a sequence xn so that ‖xn‖=1 but (...
Q: Solids with weekly bonded electrons are good conductors of heat.a) Trueb) False
A: True
Q: What is the lattice constant for FCC crystal having atomic radius 1.476 Å?a) 1.476 Åb) 4.1748 Åc) 5....
A: B
Q: 9.49 Find the Thévenin equivalent circuit with respect to the terminals a,b of the circuit shown in ...
A: Given:- voltage in theorem
Q: A Chevrolet Corvette convertible can brake to a stop from a speed of 60.0 mi/h in a distance of 123 ...
A: Given: The initial velocity of the car is 60 mi/hr and the car stops so the final velocity of it is ...
Q: A charge emanates an electric field of 97 N/C. If this field is placed on a circular surface with a ...
A: Given, Electric field E =97 N/Cradius =53 μmφ=690then normal angleand θ=900-690θ=210
Q: Tork
A: 4. (a) In this question, the direction of rotation of the rod will be in the direction of net torque...
Q: Ship A sails from A to B, on a bearing of 330° for a distance of 24km. Ship B sails from A to C on a...
A: Let l1 and l2 denote the distances, α and β denote the bearing of the points B and C from point A, a...
Q: Two spheres of masses m and M are in air and the gravitational force between them is F. The space ar...
A: This is a question related to the gravitational force. According to Newton's Universal Law of Gravit...
Q: The Wien’s displacement law expresses a relation between ___________ a) Wavelength corresponding to ...
A: A
Q: 11-30 Two blocks are suspended on a continuous inex- tensible cord as shown in Fig. P11-30. Determin...
A: According to Newton's second law, the acceleration of an object is directly proportional to the net ...
Q: taining 6 x 10" unde isotope has an activity half-life?
A: Hey there, since you have posted multiple questions. We have answered the first one for you. Please ...
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