SSC
PHYSICS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
How many variables may be tested legitimately in any one experiment?
|
|
as many as a physicist can handle
|
|
|
three
|
|
|
one
|
|
|
five
|
Explanation:
Detailed explanation-1: -Any experiment involves the use of two kinds of variables: independent and dependent variables.
Detailed explanation-2: -Having one or more experimental groups allows researchers to vary different levels of an experimental variable (or variables) and then compare the effects of these changes against a control group.
Detailed explanation-3: -Mass defect is usually given the symbol m (to represent an observable change in mass), and the mass of an atom is usually given the symbol M (or Mr for relative atomic mass).
There is 1 question to complete.