Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which among the following thermometers is preffered for measuring temperature around 1250c
Mercury thermometer
Constant volume gas thermometer
Optical pyrometer
Platinum resistence thermometer
What is the mass of the one litre of cotton seed oil of density 926kg/m3
926kg
92.6kg
0.926 kg
9260 kg
The wavelength of X-rays is of order of
1mm
1cm
1micron
1angstrom
In vaccum, the speed of light
depends on its wavelength
depends on its intensity
depends on its frequency
neither depends on its wavelength, frequency nor intensity
Which of the following statements correctly defines power?
Energy supplied per unit
Energy of an object due to its motion
Energy of an object due to its position
None of the above