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Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations (Page 128)

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
2541
According to Lowry - Bronsted Acid & Base Concept, H2O is?
2542
Which one of the following compounds is known as tertiary alcohol?
2543
Percentage of nitrogen by volume in air is?
2544
What is the order of increasing reactivity of alkyI halides?
2545
A 5 watt LED bulb converts 80% of the power into light photons of wavelength 660 nm. What is the number of photons emitted from the bulb in one second.
2546
If Cv= 5/2 R. Cp will be?
2547
A signal of -80 V is applied to the inverting terminal of the amplifier while the non inverting terminal is grounded. The gain of the amplifiers 25 using R in (R1) equal to 3 Ω and Rf (R2) equal to 75 Ω . What would be the value of output signal?
2548
e/m of an electron is given by the relationship?
2549
Simple Harmonic Motion of a body is described by which statement mentioned below: K= K.E is maximum when displacement x= 0L=P.E is maximum when x=0M=P.E is maximum when x= ± x0
2550
A wheel started rotating from rest with angular accleration of 2 radss^-2 till it angular speed becomes 6 rad /s. The angular displacement of the wheel will be equall to?
2551
If one molecule of an ideal gas is heated at constant pressure, then the first law of thermodynamics can be written as:
2552
The de-Brogglie wave length of an electron travelling with a speed of 1.0 × 10^7 m/s is equal to, ( h= 6.6 × 10^-34 Js and Me = 9.1 × 10^-31 kg )
2553
A cyclist is traveling at 15 m/s. She applies brake so that she does not collide with the wall in front of her at a distance of 18m. Calculate the magnitude of declaration?
2554
In a practical transformer mutual induction between primary and secondary coils take place. In such transformer what can be deduced about the power?
2555
Electric potential due to 2 µc charge at distance of one meter is equal to?
2556
Calculate the half life of bismuth-214 which has a decay constant 4.3 × 10^3 s-1.
2557
What is the main feature required by the optical fiber for the propagation of light in an optical fiber?
2558
Stone of mass 2 kg is dropped from a rest position 5 m above the ground. What is its velocity at a height of 3.0m above the ground?
2559
A shock wise is produced due to an earthquake which makes the buildings move in the direction of the shock wave. Which progressive wave would this be?
2560
A metal rod of length 10 cm is moving at a speed of 0.5 m/s in a direction perpendicular to a 0.20 T magnetic field. Find the EMF produced in the rod.