elastic
elastomer
plastic
thermoplastic
Correct answer is A
No explanation has been provided for this answer.
i and ii only
i and iii only
ii and iv only
iii and iv only
Correct answer is A
No explanation has been provided for this answer.
6Hz
264Hz
528Hz
12Hz
Correct answer is D
Beat = f2 - f1 = 270 - 258 = 12Hz
Which of the following statements is Not true about atoms?
Atom of different elements have different atomic weights
The mass of an atom is concentrated in the nucleus
An atom is made up of a nucleus and number of electrons
Atoms of all elements are identical
Correct answer is D
No explanation has been provided for this answer.
In the diagram above, the direction of the force between N and S in the magnetic field is
MP
SN
NS
PM
Correct answer is C
No explanation has been provided for this answer.