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Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations (Page 47)

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 47).

World Records & Superlatives  · General Knowledge

10,583 Questions • 7938 Mins Practice • Updated for 2026 Competitive Exams
10583 MCQs
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Showing 921–940 of 10583 MCQs Page 47 / 530

Solved Questions

10583 Questions
921
The longitudinal waves travel more slowly in than in?
922
The distance between adjacent node and anti-node is equal to:
923
A string clamped at its both ends, vibrates in four segments (loops). The length of string is 150 cm. The wavelength of the wave is:
924
The expression C_p - C_v = is equal to:
925
Work done during isochoric process is:
926
For 0.5 Siemens of conductance, resistance will be:
927
1 volt at 1 ampere is equal to:
928
A wire of length L has resistivity ρ. If the wire is divided in two halves, then resistivity of each halve is:
929
In how many hours a 1000-watt AC will consume one unit of electricity?
930
Ampere Second is the unit of:
931
Magnetic flux linked with a conducting loop "A" is increased at the rate of 15 weber/second and in another conducting loop "B" is decreased at the rate of 15 weber/second, the magnitude of induced emf of:
932
For half wave rectification, the number of diode needed in a circuit is:
933
The frequency of a light beam "A" is half of that of light beam "B". The ratio E_A/E_B of photons energies is:
934
The shortest wavelength associated to Paschen series is:
935
Half-life of a radioactive element is 100 days. How much quantity of the 88 g of such element will remain after three half-lives?
936
Radioactive ⁹⁰Sr has a half-life of 30 years. What percent of a sample of ⁹⁰Sr will remain after 90 years?
937
At the end of 15min, 1/32 of a sample of radioactive polonium remains. The corresponding half-life is:
938
Two equal and opposite charges of 10 C are separated at a distance of 10 cm, the electric potential at mid-point between the charges is:
939
The primary winding of a transformer has a 120 V AC supply. What is the value of secondary voltage if the turn ratio is 20. (turn ratio = N₁/N₂)
940
I like ___ blue T-shirt over there better than ___ red one.