Twelve › Computer › System development concept
#To check whether the input number is prime or not
try: #It runs if the input is an integer
a=int(input('Enter a natural number greater than 1'))
Twelve › Physics › Waves in pipes and strings
General formulae for calculating wave velocity in different media Velocity of longitudinal wave in liquid and gases is given by:Where, , Velocity of longitudinal waves...
Twelve › Solution › 2077
Methane Chloromethane EthaneMethane is reacted with chlorine in presence of sunlight to produce chloromethane. It is again reacted with Na ...
Twelve › Physics › Magnetic properties of material
The direction of electric current and magnetic lines of force can be determined by the help of following rules:Right Hand Thumb RuleRight Hand Thumb Rule can be used f...
Twelve › Physics › Alternating currents
Force on a current carrying conductorWhen a charged particle moves in a magnetic field it experiences force. Similarly, when an electron moves in a magnetic field it e...
Twelve › English › Travelling through the dark
Travelling Through the Dark- William StaffordTravelling through the dark I found a deerdead on the edge of the Wilson River road.It is usually best to roll them into t...
Twelve › Physics › Electrical circuits
Ohm's Law states that, "The current flowing through the conductor is directly proportional to the potential difference across its ends keeping the external physical co...