Which mathematical quantity is imagined to be present at the center of a black hole? a) Unity b) Singularity c) Infinity d) None
Q: What kind of photon is required for the pair production phenomenon to occur? a) Visible Light Photon...
A: The energy of the γ-ray photon is greater than 1.02 MeV only if it passed to the atomic nucleus (b&l...
Q: Neutron stars have a mass of ___________ a) 1.4 solar mass b) 14 solar masses c) 20 solar masses d) ...
A: A
Q: Consider a particle trapped in a 1D box with zero potential energy with walls at x = 0 and x = L. Th...
A:
Q: Q3: semicomductor sheet have dimensions (5,4,2)mm, electric field applied is 2 volt, the current val...
A: Assuming the dimensions (5,4,2)mm are given in order (length,width,height) and the electric field is...
Q: What is the rms speed of methane at 27℃? a) 450 m/s b) 532 m/s c) 678 m/s d) 745 m/s
A: C
Q: For a 3p orbital, what are the total number of nodes? a) 3 b) 2 c) 1 d) 0
A: B
Q: When a pebble is dropped into a pond of still water, what happens? a) Particles move b) Waves move c...
A: B
Q: At what speed the mass of an object would be double its value at rest? a) √2 c b) c/√2 c) √3c/2 d) 2...
A: C
Q: The probability of finding an electron is zero in pxy along __________ a) x-axis b) y-axis c) z-axis...
A: C
Q: Two blocks A 10 lb, and B 6 lb. They are resting on the incline, for which the coefficients of stati...
A: Newton's Second Law of Motion According to Newton's Second Law of motion, the rate of change of mome...
Q: وابع الرق - Astlerical charge of (Svz 6cfm?) and ra dins #s cen tr is at (le23) (E)at Point (3,-2w 2...
A: Here the spherical charge of density ρv=6 C/m3 and radius 4 and its center at (1,2,3). The center is...
Q: The motion of a wave packet is similar to _____________ a) Photons b) Waves c) Classical Particle d)...
A: C
Q: The values of Energy for which Schrodinger’s steady state equation can be solved is called as ______...
A: B
Q: 3-
A:
Q: What is the Kinetic Energy of 2 g of oxygen at -23℃? a) 186.2 J b) 194.86 J c) 201.45 J d) 256.32 J
A: B
Q: The ratio of rms velocity to most probable velocity is ________ a) √3 : √2 b) √2 : √3 c) 3 : 2 d) 2 ...
A: A
Q: dΨ/dx must be zero. a) True b) False
A: B
Q: A small block first begins to slide over a sphere with radius r, fixed and frictionless without spee...
A: As the block slides down the forces on the particle are shown in the figure below.
Q: When a cell of emf 4 Vis connected in a circuit gives a terminal voltage of 3.6 V for a total curren...
A: Given data, EMF = 4 V current in the external resistance = 2 A voltage difference across external re...
Q: What will happen if the density of the universe is less than the critical density? a) The Universe w...
A: D
Q: The speed of light is a limiting velocity, unattainable by a material body. a) True b) False
A: A
Q: When the Schrodinger equation is solved for E > Vo, the solutions will be __________ a) Non-oscil...
A: To answer: When the Schrodinger equation is solved for E > Vo, the solutions will be a) Non-oscil...
Q: The rate of expansion of the universe is __________ a) Decelerating b) Accelerating c) Constant d) Z...
A: B
Q: Are there any other type of forces present on an object apart from potential and kinetic energy when...
A: Introduction: Mechanic energy is the measurement of the ability of any object or body to do work, a ...
Q: The average kinetic energy associated with each degree of freedom is ________ a) kT b) 2kT c) kT/2 d...
A: C
Q: For Pair Production phenomenon to occur to photon must have energy, greater than or equal to _______...
A: B
Q: Most of the helium of the universe was produced __________ a) In stars b) In quasars c) At the time ...
A: D
Q: The unit of absorptive power is _______________ a) T b) Ts-1 c) Ts d) No unit
A: D
Q: Fermi-Dirac statistics is for the ________ a) Distinguishable particles b) Symmetrical Particles c) ...
A: D
Q: the test load is q⁰ = 4 milliculons whereas the potential at point A is 6V and the potential at poin...
A: Given: test particle charge q0= 4*10-3 C potential of point A (VA) = 6 V potential of point B (VB) =...
Q: A. Without finding T and N, write the acceleration of the motion a(t) to the position vector r(t) = ...
A: Given, rt=t2i+t+13t3j+t-13t3k
Q: As the wavelength of the radiation decreases, the intensity of the black body radiations ___________...
A: C
Q: When the particle strikes the wall of the well, it bounces off completely. a) True b) False
A: False
Q: Mass of A is 4 times that of B. What is the ratio of their mean velocities? a) 1 : 4 b) 4 : 1 c) 1 :...
A: C
Q: Find the largest allowable time constant for this sensor. A 10-in-stroke wirewound translational pot...
A: The Explanation Given below:
Q: Which one of the following is not an example of resonance? a. 2 tuning forks together produc...
A: Resonance is the phenomenon of increased amplitude of a vibrating system when a driving force with f...
Q: Which of the following is the momentum-energy relation? a) E2 – p2c2 = m02c2 b) E2 – p2c2 = m02c4 c)...
A: B
Q: Cosmology is the branch of science concerned with the ____________ a) Formation of Planets b) Format...
A: C
Q: Which of the following is Einstein’s mass energy relation? a) Ek = (m – m0)c2 b) E = mc2 c) E2 – p2c...
A: B
Q: Ψ must be normalizable. a) True b) False
A: A
Q: When the core runs out of hydrogen, the helium is fused into ___________ a) Hydrogen b) He2+ ions c)...
A: C
Q: The density of silver is 10.5 g/cm3 and its atomic weight is 108. If each atom contributes one elect...
A: D
Q: What are the essential properties a medium must possess for the propagation of mechanical waves? a) ...
A: D
Q: Consider the following figure. (The x axis is marked in increments of 0.25 m³.) P (Pa) 6 x 10° 4 x 1...
A:
Q: Two small insulating spheres with radius 5.00×10−2 mm are separated by a large center-to-center dist...
A: Electric Field Electric Field is a region in space around a charge or a group of charges that if ano...
Q: The density of silver is 10.5 g/cm3 and its atomic weight is 108. If each atom contributes one elect...
A: B
Q: Bosons have symmetrical wave functions. They do not obey ______ a) Aufbau principle b) Pauli’s Exclu...
A: B
Q: Total Energy is quantized but not angular momentum of the quantum particle. a) True b) False
A: A
Q: Please write out the classical input/output table for the To ffoli gate.
A: Toffoli Gate is a reversible logic gate with 3 inputs and 3 outputs, let input and output vectors ar...
Q: Four charges +5 μC , +6 μC, -3 μC and +2 μC are located respectively at the corners A, B, C and D of...
A: The situation is modelled below with origin to be chosen at the center of the rectangle,
Which mathematical quantity is imagined to be present at the center of a black hole?
a) Unity
b) Singularity
c) Infinity
d) None
Step by step
Solved in 2 steps with 1 images
