At what condition, vp = vg? a) dvp/dk = 0 b) dvp/dω = 0 c) dvp/dλ = 0 d) dvp/dμ= 0
Q: What is the time lag between the incidence of photons and the ejection of photoelectrons? a) Greater...
A: C
Q: The reading of the micrometer shown in the figure is: 45 9$10 15 40 35 30 a. 17.37 mm O b. 12.5194 m...
A: Solution: The reading of the micrometer is calculated as follows: Micrometer Reading=Sleeve Scal...
Q: Which of the following is the characteristic of a black body? a) A perfect absorber but an imperfect...
A: C
Q: The fundamental frequency of a sonometer wire is n. If the tension is made 3 times and length and di...
A: B
Q: Capacitance and Charge & Voltage: CV=Q Slope= 8.515 Determine the value of C (in F) from the sl...
A: We need to find the capacitance from the slope of the given data and find the percentage error.
Q: Europa is a moon of Jupitar. Europa has a mass of 4.8 × 1022kg and is 6.71 × 105km from Jupiter whic...
A: Newton's universal law of gravitation states that any two objects on the universe attracts each othe...
Q: relation between the interaction parameter, ‘b’, and atomic radius, R, for the Pair Production? a) b...
A: C
Q: 1. You hold one end of the clothesline taut and wiggles it up and down sinusoidally with frequenc...
A: This is a problem related to wave motion. To solve this problem, we will use the following formulae,...
Q: On which part of the photoelectric cell does the radiation strikes? a) Cathode b) Anode c) Ammeter d...
A: A
Q: Suppose an aircraft is flying with Euler angles equal to (Y,0,Ð) = (+225,+45,-45) deg. a) With g = 3...
A: For Euler angles (Ψ,Θ,Φ), the components of gravitational force are given by, gx=-gsin(Θ)gy=gsin(Φ)c...
Q: Two particles approach each other with a velocity of 0.9 c. What is their relative velocity as obser...
A: C
Q: For Pair Production phenomenon to occur the photon must have energy, greater than or equal to ______...
A: B
Q: Waves in the wave packets are such that they interfere constructively over a large region of space. ...
A: B
Q: At a particular point in a material with resistivity r the current density has magnitude J. Show tha...
A: Given: The resistivity of the material is r. The current density is J. The power to be calculated is...
Q: There is an electric flux of 35.5 N-m²/IC through the square region shown in the figure. Each side o...
A:
Q: Given IDSS=12mA and Vp= -4V. Sketch the drain and transconductance curve for VGS = +2V, +1V, 0V -1V,...
A: Given IDSS= 12 mA , VP= -4 volt JFET(junction-gate field-effect transistor ) will not work for VGS...
Q: A transverse wave passes through a string with the equation y=10sinπ(0.02x-2t) Where x is in metres ...
A: A
Q: An atom A, moving relative to the observer, with velocity 2 X 108m/s emits a particle B which moves ...
A: C
Q: Sound produced from equally spaced steps in a stair case at regular intervals is due to which effect...
A: D
Q: The sound of a bomb explosion travels faster than the sound produced by a humming bee. a) True b) Fa...
A: The sound of a bomb explosion and sound produces by a humming bee having different charact...
Q: 5. By how much does the mass of the hydrogen atom differ in the state with n = 2 from that in the st...
A: The velocity of the electron in an nth orbit be given as, v=2.18×108 m.s-1n
Q: What is the average density of the sun? What is the average density of a neutron star with the same ...
A: (a) mass of sun = 1.99*1030 kg radius of sun= 6.96*108 meter volume of sun (assume spherical shape) ...
Q: The equation of a simple harmonic wave is given by y=5sin(π/2) (100t-x) Where x and y are in metre ...
A: A
Q: If a point charge is located at the centre of a cube and the electric flux through one face of the c...
A:
Q: A particle moving in range (-a < x< a) and having a wavefunction Y(x) = TX sin a a- Calculate the av...
A: Thank you! For the question. as per honor code. we can solve only the first three-part of the questi...
Q: Current wire AB as part of an electrical circuit Find the magnetic field caused by the origin.
A: Given, Current, i = 6A, {B to A} OA, =1 {in y direction} OB, =1 {in x direction} Let draw a perpendi...
Q: SO siyde crystats are Bz Os doped with BO5 wapors on one side and with vopors on Krigoer luink adati...
A: Given:- n-type material with p-type material causes excess electron in the n-type materia...
Q: The basic theorem/principle used to obtain mass-energy relation is _____________ a) Heisenberg’s Unc...
A: B
Q: c) Q: How can you tell from an x-vs-t graph that you have reversed direction?
A: In a x versus t graph, t that is time is plotted along the x-direction and position x is drawn along...
Q: The fringes of equal inclination produced by using Michaelson Interferometer are called as ____ a) E...
A: C
Q: A simple pendulum has a mass of 0.250 kg and a length of angle of 15.0 and thes released. Using the ...
A: Part (a) Given: The mass of simple pendulum is m=0.250 kg. The length of pendulum is L=1.00 m. The ...
Q: at!), and the car is travelling at constant spee on in terms of v and r?
A: Given: A correct option among the given is shown as,
Q: X-rays are produced effectively electrons when they strike ____________ a) Dense metal anode b) Dens...
A: Option
Q: Answer parts d -e
A: Given: As the whole String is in equilibrium then the net force should be zero
Q: The unit of absorptive power is _______________ a) T b) Ts-1 c) Ts d) No unit
A: D
Q: Sir Lost-a-Lot dons his armor and sets out from the castle on his trusty steed (Fig. P12.11). Usuall...
A: for given problem free body diagram of system can be as shown in figure Given: weight of bridge ...
Q: you find a point in space where you measure the eletric potential to be equal to 0. the elctric fiel...
A:
Q: For an aluminium the modulus of rigidity is 2.1×1010 N/m2 and density is 2.7×103 kg/m3. Find the spe...
A: B
Q: 2000W heater is immersed in water at 100*C. deterine the time rate of vapourisation of water.
A: given that, power, P = 2000 W let L is the latent heat of vaporization, L = 540 cal = 540×4.2 = 2268...
Q: If a glass beaker filled to the brim with liquid mercury is heated, the mercury overflows because __...
A: Analysis:we must realize the difference between a real and apparent coefficient of volume expansio...
Q: Please explain WHY this is the correct answer. Thanks
A: Explanation given below:
Q: The Kinetic energy of a photoelectron emitted on shining a light of wavelength 6.2 X 10-6 m on a met...
A: C
Q: What is Compton shift? a) Shift in frequency b) Shift in charges c) Shift in radiation d) Shift in w...
A: D
Q: . A man, who weighs 60 kg on earth, weighs 61 kg on a rocket, as measured by an observer on earth. W...
A: C
Q: The work function of lithium is 2.5 eV. The maximum wavelength of light that can cause the photoelec...
A: Given: The work function of lithium W = 2.5 eV.
Q: When is ultrasonic waves produced using piezo electric oscillator? a) At constant temperature b) At ...
A: B
Q: A tracking radar lies in the vertical plane of the path of a rocket which is coasting in unpowered f...
A: To find the angular acceleration, the following standard results are used, ar=r¨-rΘ˙2aΘ=rΘ¨+2r˙Θ˙ ...
Q: Your doctor has told you to watch your weight. Of course, your weight comprises two factors, so you ...
A: We know, Stretching force of the band is directly proportional to the expansion of band. The force p...
Q: need assistance with this problem a-c
A:
Q: A particle moving along the x axis in simple harmonic motion starts from its equilibrium position, t...
A: Given, Amplitude, A=2cmFrequency,f=1.50Hz(a) x=Asin(ωt) x=2cmsin(2πf)(t) x=2×sin2×π×1.50×t...
At what condition, vp = vg?
a) dvp/dk = 0
b) dvp/dω = 0
c) dvp/dλ = 0
d) dvp/dμ= 0
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
