4800J
1200J
480J
202J
Correct answer is C
Q = mc\(\theta\) = 200 x 0.4 x 6 = 480J
The density of a certain oil on frying becomes 0.4 kgm\(^{-3}\) with the volume of 20m\(^{3}\). what...
Which of the following is/are not correct about isotopes of an element? The have ...
A man stands 4m in front of a plane mirror. If the mirror is moved 1m towards the man, the distance ...
An object is placed 20cm from a lens. If an image is formed on a screen 260cm away from the lens, ca...
The direction of the magnetic field at a point in the vicinity of a bar magnet is ...
The distance between the successive crests of a wave travelling at 20ms-1 is 25cm. Calculate the fre...
Three similar cells each of e.m.f 2 v and internal resistance 2Ω are connected in parallel, the tot...
Masses,m1 and m2 at the 20-cm and 65-cm marks respectively of a uniform metre rule freely suspended ...
An induction coil is generally used to? ...
A battery of e.m.f. 12.0V and internal resistance0.5\(\Omega\) is connected to 1.5\(\Omega\) and 4.0...
Microsoft Office Questions and Answers
Data Interpretation Questions and Answers
Abstract Reasoning Questions and Answers
Situational Judgement Questions and Answers
Quantitative Reasoning Questions and Answers
Spatial Reasoning Questions and Answers
Personality Test
Logical Reasoning Questions and Answers
Typing Speed and Accuracy Test
Nigeria General Knowledge Questions and Answers
Verbal Reasoning Questions and Answers
Puzzles Questions and Answers
Numerical Reasoning Questions and Answers
See all →