Question 1 Report
Which one of the following is a vector quantity?
Answer Details
Temperature gradient(Tg) = DT ÷ L = T2 – T1 ÷ L
i.e– it is the ratio of an increment in temperature to the length
Hence, Temperature gradient (Tg) has defined direction alongside with magnitude
And it is a vector gratuity
Mass, work & Time are scalar quantity
Momentum and Kinetic energy are conserved in
Efficiency of a transformer is equal to
The normal temperature of human body is record at what ranges?
The property of a body to remain at rest or to continue to move in a straight line is known as
When a man moves toward a plane mirror at a speed of 6m/s, the distance the man and his image increased at a speed of?
In which of the following device in the expansion of solid is a disadvantages?I. Simple pendulum II. Fire alarms III. Thermostat IV. Bimetallic thermometer
Volatile liquids usually
An alternating current with a frequency of 100HZ has a period of
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