Temperature Scales MCQs with Answers PDF Download – Test 50

MCQ 246: Melting point of wax is equal to 57 °C, which is equal to:

1. 330 K
2. −330 K
3. 216 K
4. −216 K

MCQ 247: Speed of wave 'v' is given by:

1. wavelength of the wave ⁄ frequency of the wave
2. wavelength of the wave × frequency of the wave
3. frequency of the wave ⁄ wavelength of the wave
4. None of the above

MCQ 248: A girl accidentally dropped her mobile phone from the balcony. If the mass of the mobile phone is 0.6 kg and the height from where the mobile phone was dropped is 120 m, keeping in front the gravitational pull of earth, the E_p of the mobile phone is:

1. 7.2 J
2. 200 J
3. 72 J
4. 720 J

MCQ 249: A moving object always possesses:

1. Potential Energy
2. Kinetic Energy
3. Thermal energy
4. Magnetic energy

MCQ 250: Process in which thermal energy is transferred by emission of infrared radiations is termed as:

1. Conduction
2. Convection
3. Radiation
4. Conduction and Radiation