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
An electron is moving with a uniform speed in the X - Y plane in a straight path along the negative X direction. If a uniform magnetic field is an applied parallel along the positive z-axis, the electron will :
remain unaffected
be speeded up along the X direction
Start moving in the Y direction
start moving in a circular path in the X-Y plane
While lifting a bucket of water from a well, we feel that the bucket:
Becomes heavier above the surface of the water
Becomes lighter above the surface of the water
Loses stability on coming out of the water
Has gained mass on coming out of water
The strength of an electromagnet can be increased by:
Increasing the cross-Section area
Increasing the number of turns
decreasing current supply
All of the above
Which of the following observed the Tyndall effect when -
Diameter of the dispersed particle is not smaller than the wavelength of the light used
Refractive indices of the dispersed phase and dispersion medium differ in magnitude.
Neither A nor B
Both A and B
