WorksheetsPhysics
Total questions: 25
Worksheet time: 13mins
Which of the following types of energy can be transferred from one place to another?
heat energy
sound energy
light energy
Solar energy
Which one of the following instruments is used to measure humidity?
hygrometer
anemometer
ammeter
barometer
Who invented the telescope?
Galileo Galileo
Isaac Newton
Hans Lippershey
Robert Einstein
Particles that decay by spontaneously emitting charged particles and energy are said to be ….
half life
radioactive
decaying
all of the above
Which of these processes describes a nuclear fusion reaction?
A nucleus splits to produce energy and lighter nuclei
A nucleus absorbs energy to produce lighter nuclei
Two nuclei bind together to produce energy and heavier nuclei.
Two nuclei bind together to produce energy and a lighter nuclei.
Measured in decibel(db.), sound is considered hazardous noise pollution above what level?
90 db
80 db
50 db
30 db
Which one among the following represents the smallest temperature?
1° on the Fahrenheit scale
1° on the Reaumur scale
1° on the Celsius scale
1° on the Kelvin scale
Which statement explains why rubbing your hands together produce warmth.
This action produces mechanical energy
This is an example of mechanical energy.
This action produces thermal energy through friction.
This action captures thermal energy from the environment.
A 100 kg skydiver is free falling at a constant velocity of 19 m/s. What is the net force acting on him?
0 N
4.21 N
89.8N
950N
Assuming M1 and M2 in the diagram are at rest, which side of the string has more tension?
There is more tension on the side by M2
There is more tension on the side by M1
The tension on both sides is the same
Non of the above
Optic fiber is not used in which of the following?
Communication industry
Food industry
Medical industry
Defense industry
The shortest unit of length is
Millimeter
Micrometer
Nanometer
Fermimeter
When light enters from air to water, then its
frequency increase and speed decrease
frequency is same but the wavelength is smaller in water than in air
frequency is decreases but the wavelength is smaller in water than in air
frequency is same but the wavelength is greater in water than in air
Rockets operate on the principle of?
Conservation of energy
Conservation of momentum
Bernoulli’s theorem
Avogadro’s concept
The diffusion of light in the atmosphere is due to?
carbon dioxide
helium
dust particle
water vapour
What is the difference between Noise and music?
Pitch
Note
Tone
Quality
The lines of force of a uniform magnetic field
must be divergent
must be convergent
must intersect
must be parallel to each other
Solar energy is produced by the following reaction?
Fission reaction
Fusion reaction
Chemical reaction
None of the above
Heat can easily be produce by which method ?
Electrical Method
Frictional Method
Chemical Method
All of the Methods
A set of equations involving magnetic field, and their sources, the charge and current densities are known as Maxwell's equations.
True
False
Which Scientist propounded the law which states that, "the current flowing flowing a conductor is directly proportional to its voltage and inversely proportional to its resistance".
Which method(s) of heat transfer can take place in a vacuum?
Radiation
Conduction
Convection
All of the above
At high altitude the air temperature is lower as compare to sea level, therefore water boils at ?
constant temperature
lower temperature
higher temperature
absolute temperature
The mass of an object as it approaches the speed of light becomes infinite.
True
False
If a wire of uniform area of cross-section is cut into two equal parts, the resistivity of each parts will be?
Remain the same
four times
doubled
Halved
