MCQ
Relation between critical angles of water and glass is
- ✓$C_w > C_g$
- B$C_w < C_g$
- C$C_w = C_g$
- D$C_w = C_g = 0$
✓
Answer
Correct option: A.
$C_w > C_g$
$C_w > C_g$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In the circuit, the reading of the ammeter is $($assume internal resistance of the battery be zero$)$
→An electron having charge $' e\ '$ and mass $' m\ '$ is moving in a uniform electric field $E .$ Its acceleration will be
→S.I. unit of magnetic moment is :
Two lenses of power $6D$ and $– 2D$ are combined to form a single lens. The focal length of this lens will be
→The image formed by a convex mirror of focal length 30 cm is a quarter of the size of the object. The distance of the object from the mirror is(a) 30 cm(b) 90 cm(c) 120 cm(d) 60 cm
Field inside a solenoid is(a) Directly proportional to its length(b) Directly proportional to current(c) Inversely proportional to total number of turns(d) Inversely proportional to current
Specific rotation of sugar solution is $0.01\ SI$ units. $200\ Kgm^{-3}$ of impure sugar solution is taken in a polarimeter tube of length $0.25m$ and $an$ optical rotation of $0.4\ rad$ is observed. The percentage of purity of sugar is the sample is
→A deuteron of kinetic energy 50 keV is describing a circular orbit of radius 0.5 metre in a plane perpendicular to the magnetic field B. The kinetic energy of the proton that describes a circular orbit of radius 0.5 metre in the same plane with the same B is:
When a p-n diode is reverse biased, then
A spectral line $\lambda = 5000 \mathring A $ in the light coming from a distant star is observed as a $5200 \mathring A .$ What will be recession velocity of the star
→