Which statement is correct?
Teori Fisika 19 November 2020

Quiz
•
Physics
•
7th - 9th Grade
•
Hard
Ginanjar Jiwandoko
Used 64+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mass is a force, measured in kilograms.
Mass is a force, measured in newtons.
Weight is a force, measured in kilograms.
Weight is a force, measured in newtons.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What apparatus is needed to determine the density of a regularly-shaped block?
a balance and a ruler
a balance and a forcemeter (spring balance)
a measuring cylinder and a ruler
a measuring cylinder and a beaker
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes refraction when light travels from air into glass?
The amplitude of the light waves changes.
The colour of the light changes.
The frequency of the light waves changes.
The speed of the light changes.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An atom of lithium contains three protons and three electrons. The nucleon number (mass number) of the atom is 7. How many neutrons are there in the atom?
3
4
7
10
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which types of radiation can be stopped by a sheet of paper?
alpha particles
beta particles
gamma rays
X rays
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is correct about the speed of electromagnetic waves in a vacuum?
Ultraviolet waves have the greatest speed.
Visible light waves have the greatest speed.
Infrared waves have the greatest speed.
All electromagnetic waves have the same speed.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student wishes to use a magnetising coil to make a permanent magnet from a piece of metal. Which metal should she use?
aluminium
copper
iron
steel
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