Correct Answer:
D. Radio waves
Ordinary mobile phones communicate wirelessly by transmitting and receiving signals through radio waves, which are essential for cellular networks.
Related MCQs
When did Fatima Jinnah join the All India Muslim league?
A.
1939
B.
1927
C.
1947
D.
1949
Correct answer is:
A. 1939
Moeen Akhtar was famous for which profession?
A.
Singer
B.
Comedian
C.
Politician
D.
Cricketer
Correct answer is:
B. Comedian
The 'Five Eyes' alliance is primarily concerned with which of the following?
A.
Trade agreements
B.
Military weapons
C.
Intelligence sharing
D.
Environmental issues
Correct answer is:
C. Intelligence sharing
Hitler party which came into power in 1933 is known as
A.
Labour Party
B.
Nazi Party
C.
Ku-Klux Klan
D.
Democratic Party
Correct answer is:
B. Nazi Party
The angle between the minute and hour hands of a clock at 8:30 is:
A.
(A) 75°
B.
(B) 80°
C.
(C) 60°
D.
(D) 105°
Correct answer is:
A. (A) 75°
Urfi Shirazi came to the Sub-continent during the reign of:
A.
Ghaznavids
B.
Mughals
C.
Khiljis
D.
Lodhis
Correct answer is:
B. Mughals