Under which of the following conditions will a convex mirror of focal length $f$ produce an image that is erect,diminished and virtual?

Which of the following elements has the maximum first ionisation potential?

$A$ short magnetic needle is pivoted in a uniform magnetic field of induction $1 ~T$. Now,simultaneously another magnetic field of induction $\sqrt{3} ~T$ is applied at right angles to the first field; the needle deflects through an angle $\theta$ whose value is (in $^{\circ}$)

Data Entry - Physics

Which of the following statements is consistent with $Halophiles$?

$Assertion$ : The driver in a vehicle moving with a constant speed on a straight road is in a non-inertial frame of reference.
$Reason$ : $A$ reference frame in which Newton's laws of motion are applicable is non-inertial.