WorksheetsQuiz (Intermediate Level)
Total questions: 15
Worksheet time: 11mins
A spherical object falls through water at constant speed. Three forces act on the object.
Which diagram, showing these three forces to scale, is correct?
A radio-controlled toy car travels along a straight line for a time of 15s.
The variation with time t of the velocity v of the car is shown.
What is the average velocity of the toy car for the journey shown by the graph?
–1.5ms–1
0.0ms–1
4.0ms–1
4.5ms–1
The acceleration of free fall on Pluto is 0.66ms–2.
An object weighs 6.0N on Earth.
What would this object weigh on Pluto?
0.40N
0.93N
4.0 N
39N
A student wishes to measure a distance of about 10cm to a precision of 0.01cm.
Which measuring instrument should be used?
Screw gauge
micrometer
tape measure
vernier calipers
A pendulum bob is held stationary by a horizontal force H. The three forces acting on the bob are
shown in the diagram.
The tension in the string of the pendulum is T. The weight of the pendulum bob is W. The string is held at an angle of 30° to the vertical.
Which statement is correct?
H = T cos 30
T = H sin30
W = T sin30
W = T cos 30
Number of Significant Digits: 0.06300
1
2
3
4
Which law of thermodynamics states that absolute zero cannot be reached?
Ist
2nd
3rd
None of above
Maxwell-Boltzmann law is for the
Distinguishable particles
Indistinguishable Particles
Particles with half integral spin
Particles with integral spin
Fermi-Dirac statistics is for the
Distinguishable particles
Symmetrical Particles
Particles with half integral spin
Particles with integral spin
Phase space is a ________
3 Dimensional Space
4 Dimensional Space
5 Dimensional Space
6 Dimensional Space
Bragg's equation in particle/light diffraction by crystals is
2d sinθ=nλ
2d2sinθ= nλ
2dsinθ=λ
none of these
State Wien’s displacement law.
λm /T = Constant
λm + T = Constant
λmT = Constant
λm -- T = Constant
Which one is correct Schrodinger time independent equation
[∇2 ψ + 2m (E –V) ψ] / ħ2 = 1
[∇2 ψ + m (E –V) ψ] / ħ2 = 0
[∇2 ψ + 2m (E –V) ψ] / ħ2 = 0
[∇2 ψ + 2m (E –V) ψ] / ħ = 0
What was the codename for the US military's atomic bomb research project?
The Oakridge Mission
Project Einstein
The Manhattan Project
Operation Atomic
In a cubic crystal, a given plane intercepts the axes at 3a, 3b & c. The Miller indices of the plane are ________
( 3 3 1 )
( 1 3 3 )
( 1 1 3 )
( 3 1 1 )
