Class X

 Assuming heat capacity of a 10 g of water to be 42 J ⁄ K, heat required to raise its temperature from 25 °C to 35 °C would be
  1. 42 J
  2. 420 J
  3. 4200 J
  4. None of above
Energy is
  1. Ability to do work
  2. Capacity of power
  3. Efficiency
  4. Nput
 Speed of truck is 40 m s-1, after 10 seconds its speed decreases to 20 m s-1, its acceleration is
  1. −1 m s-1
  2. −2 m s-1
  3. −4 m s-1
  4. −5 m s-1
Absorption or release of thermal energy changes the
  1. External energy of matter
  2. Internal energy of matter
  3. A both internal and external energy of matter
  4. None of energies
Centigrade (Celsius) scale can be converted into Kelvin scale by formula
  1. Ω °C = Temperature in Kelvin + 273
  2. Ω °C = Temperature in Kelvin - 273
  3. Ω °C = Temperature in Fahrenheit + 273
  4. Ω °C = Temperature in Fahrenheit - 273
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP