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WorksheetsPriliminary physics
Total questions: 15
Worksheet time: 9mins
Electric current may be expressed in which one of the followingunits?
coulombs/volt
joules/coulomb
coulombs/second
ohms/second
The alloy of steel that is used for making automobile parts such as axle, ball bearing, etc. is
Nickel steel
Chromium steel
Tungsten steel
Stainless steel
For the hydrogen atom, which series describes electron transitions tothe N=1 orbit, the lowest energy electron orbit? Is it the
Lyman series
Balmer series
Paschen series
Pfund series
Natural radioactivity was discovered by
Marie Curie
Ernest Rutherfor
Henri Becquerel
Enrico Ferm
Which one of these space probes was launched by nasa on Aug. 5, 2011 to explore & unlock the secrets of the gaseous giant-jupiter
Cassini
Galileo
Voyager 1
Juno
Father of atom bomb
Albert Einstein
Alfred de Nobel
Robert J oppenheimer
Edward teller
A Newton is equal to which of the following?
kilogram-meter per second
meter per second squared
ilogram-meter per second squared
kilogram per meter-second
Work is equal to which of the following?
the cross product of force and displacement.
the product of force times time
force divided by time
the dot product of force and displacement
Which of the following scientists is responsible for the law which states that two objects may NOT occupy the same space at the same time
Heisenberg
Bohr
Pauli
Teller
he constant potential difference across a 2 ohm resistor is 20 volts.How many watts of power are dissipated by this resistor?
200 WATTS
20WATTS
400WATTS
40WATTS
Iron is what type of magnetic material?
Paramagnetic
Diamagnetic
Ferromagnetic
Non-magnetic
When a physical property such as charge exists in discrete "packets"rather than in continuous amounts, the property is said to be:
discontinuous
abrupt
quantized
noncontinuous
The collision between a photon and a free electron was firstexplained by which of the following scientists?
(a)
Besides solid, liquid, and gas, what is the fourth form of matter?
(a)
What is 25,000 miles per hour on earth, and 5,300 miles per hour onthe Moon?
(a)
