OTS (Open Testing Service) · Khuddam-ul-Hujjaj/ Nazims for Hajj (OTS 2027 - Includes All NTS Past Papers)
Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations (Page 42)
Practice verified Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations for Khuddam-ul-Hujjaj/ Nazims for Hajj (OTS 2027 - Includes All NTS Past Papers) preparation. Featuring solved questions, detailed explanations, and past paper answers (Page 42).
World Records & Superlatives
· General Knowledge
10,583 Questions• 7938 Mins Practice• Updated for 2026 Competitive Exams
10583 MCQs
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Solved Questions
10583 Questions
821
Two electric bulbs "A" and "B" of powers S00W and 2000W respectively are connected to 240V supply. The ratio of current passing through bulb "A" to the current passing through bulb "B" is:
Correct Option
Option B
822
A conductor has length equal to n meters and radius r meters. Its resistance will be equal to:
Correct Option
Option A
823
When a neutron enters into a magnetic field B perpendicularly with velocity v, its acceleration is:
Correct Option
Option A
824
When two conductors each of resistance R are attached in series to external circuit, their net resistance is:
Correct Option
Option B
825
An ideal AC generator has equal input and output, its heat dissipation will be:
Correct Option
Option B
826
The unit of magnetic flux is:
Correct Option
Option A
827
AC generator stops suddenly when:
Correct Option
Option B
828
Output current of a half wave rectifier is:
Correct Option
Option B
829
The resistance of full wave rectifier is:
Correct Option
Option A
830
When AC is converted to DC, the process is called:
Correct Option
Option C
831
The radiation emitted by warm blooded animals lies in the region of:
Correct Option
Option C
832
In a conducting electric wire, the electric current flows due to:
Correct Option
Option D
833
The shortest possible wavelength is:
Correct Option
Option A
834
Which radiation cannot be generated under electron transitions in different orbits?
Correct Option
Option D
835
Which one is not the unit of radio-activity?
Correct Option
Option D
836
Which one is stable element in the following?
Correct Option
Option A
837
In physics it is observed that when matter and anti-matter combine, they form:
Correct Option
Option A
838
The shortest wavelength of Lyman series is (Rx = Rydberg Constant.)
Correct Option
Option B
839
For the treatment of cancer, the source of gamma rays used, is:
Correct Option
Option A
840
A projectile is thrown at an angle of 45° with horizontal and its range is R₁. Another projectile is thrown at an angle of 45° with vertical and its range is R₂. The relation between R₁ and R₂ is: