The ability of the eye to focus on objects at various distances is known as
accommodation
astigmatism
eye ring
myopia
presbyopia
Correct answer is A
No explanation has been provided for this answer.
accelerating the electrons to a very high energy
concentrating electrons on the target
heating the anode
heating the cathode
producing a stream of electrons
Correct answer is A
No explanation has been provided for this answer.
2.54 days
4.00 days
4.80 days
6.00 days
8.00 days
Correct answer is B
No explanation has been provided for this answer.
The magnetic effect of a current-carrying coil is NOT utilized in the making of a/an
carbon microphone
electric bells
magnetic relay
telephone earpiece
thermostat
Correct answer is E
No explanation has been provided for this answer.
0.2cm
0.4cm
0.8cm
5.0cm
10.0cm
Correct answer is D
No explanation has been provided for this answer.