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.
4 x 10 25J
4 x 1021 J
6.4 x 1020 J
6.4 x 10-15 J
2.5 x 1020 J
Correct answer is D
No explanation has been provided for this answer.
I only
II only
III only
I & III only
I, II & III
Correct answer is A
No explanation has been provided for this answer.
Which of the following is/are not correct about isotopes of an element? The have
the same neutron number
the same proton number
same number of electrons
same chemical properties
different physical poperties.
Correct answer is A
No explanation has been provided for this answer.
farad
henry
hertz
ampere
coulomb
Correct answer is B
No explanation has been provided for this answer.
Which of the following explains the concave meniscus of water in a glass tube?
The adhesion between water and glas is greater than the cohesion between water molecules
The cohesion between water molecule is greater than the adhesion between glass and water
The molecules of water in the glass are moving faster than the molecules in the other parts
The molecules of water at the water-air boundary are often attracted to the center of the tube
The weight of the water pulls the central part of the surface down
Correct answer is A
No explanation has been provided for this answer.