Put the red stone inside the puzzle box. #shorts

John places an alarm clock inside a box as shown in the given figure. He then creates a vacuum inside the box. When the alarm goes on, John does not hear the alarm-sound. John does not hear the alarm sound because

Put the proper sign gt or lt in the boxes below : -7square-9

Put the proper sign gt or lt in the boxes below : -4square0

Put the proper sign gt or lt in the boxes below : 6 square 8

Put the proper sign gt or lt in the boxes below : -6square-10

A solid ball is exactly fitted inside the cubical box of side a . The volume of the ball is .

A closed box of thin aluminium foil of volume 10 cc and mass 3 gm is completely filled with a liquid . It is now put into water and when it floats . It is just completely immersed . Find the density of the liquid filled inside the box ( density of water 10^(3) kg//m^(3) )

if the magnetic field outside a copper box is suddenly chaged, what happens to the magetic field inside the box? Such low-resistivity metals are used to form enclosures which shield objects inside them against varying magnetic fields.