If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
The density of a solid is defined as the
mass of the solid compared to the mass of an equal volume of water
amount of water displaced when a unit mass of thesolid is immersed in it
weight per unit volume of the solid
volume per unit mass of the solid
mass per unit volume of the solid
Correct answer is E
The density of a solid is defined as mass per unit volume of the solid
\(\frac{mv^2}{r}\)
\(\frac{mr^2}{v}\)
\(\frac{mr}{v}\)
\(\frac{mv}{r^2}\)
\(\frac{mv}{r}\)
Correct answer is A
No explanation has been provided for this answer.
To determine the weight of an object you could
use a beam balance
use a spring balance
find the force necessary
use none of these methods
use any of these methods
Correct answer is B
The weight of an object is found with a SPRING BALANCE.
The internationally agreed system of units(SI) for physical measurements are
Ib, ft, sec
g, m, sec
kg, m, sec
cm, g, sec
kg, cm, sec
Correct answer is C
No explanation has been provided for this answer.
i and ii only
i, ii and iii only
iii and iv only
iv and v only
iii, iv and v only
Correct answer is B
The advantages of use of mercury in a barometer are :