12.4cm
13.7cm
18.5cm
37.0cm
Correct answer is A
V1T1 = V2T2 10×A27+273 = L×A100+273 L = 12.43cm
When light passes through two media x and y of refraction indices 1.51 and 1.33 respectively, the sp...
The echo of a sounder from the bottom of an ocean is heard 2.5 seconds later. If the speed of sound ...
Which of the following electromagnetic wave has the longest wavelength? ...
If the wavelength of a wave traveling with a velocity of 360ms-1 is 60m, the period of the wave is ...
The phenomenon which occurs when light changes direction as it passes from one medium to another is ...
Under constant tension and constant mass per unit length, the note produced by a plucked string is 5...
What is the cost of running seven 40 W lamps and five 80 W lamps for 12 hours of the electrical ener...
A boy on looking into a mirror observed that his face appeared to have grown bigger. The boy must ha...
Which of the following are True for α-decay. i. mass number, decrease by four. ii. Atom...
In a compound microscope, the objective and the eye piece focal lengths are ...
Puzzles Questions and Answers
Typing Speed and Accuracy Test
Numerical Reasoning Questions and Answers
Verbal Reasoning Questions and Answers
Logical Reasoning Questions and Answers
Abstract Reasoning Questions and Answers
Personality Test
Microsoft Office Questions and Answers
Situational Judgement Questions and Answers
Spatial Reasoning Questions and Answers
Quantitative Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
Data Interpretation Questions and Answers
See all →