Physics Induction and Photoelectric Effect Quiz

How many unpaired electrons are present in $[Mn(H2O)6]^{2+}$ considering water as a weak field ligand? (Atomic number of Mn = 25)

Which gas is evolved when carboxylic acids react with strongly electropositive metals like Na, K, Ca, Zn?

Which reagents are required in the conversion of phenol to salicylic acid?

What type of unit cell does Polonium have?

For the electrolytic purification of copper with zinc impurity, what are the appropriate electrodes?

Which nitrogen oxide exists as a blue solid and a brown gas?

What is the probability that a random variable X falls between 0.5 and 1.5, given its p.d.f. is $f(x) = \frac{1}{2}$ for $0 \" \leq x \" \leq 2$?

For the equation $2x^2y^2 + 2 = 1$, what values of b, c, and d would represent a circle passing through the origin?

What does the expression ~(pq) simplify to?

What does the velocity of emitted photoelectrons depend upon?

If f(x) is defined as f(x) = x - x^2 for x ≠ 0 and f(x) = 2 when x = 0, what can be concluded about the continuity of f(x) at x = 0?

If the radius of a soap bubble is doubled under isothermal conditions, what is the energy spent in this process?

In a microscope where a magnification of 400 is required, with a tube length of 15 cm and an objective focal length of 0.5 cm, what focal length of eye-piece should be used?

If p, q, and r are all false, which logical statement holds true?

If two small spheres of radii $r$ and $3r$ fall through a viscous liquid at a constant speed, what is the ratio of the viscous force experienced by them?

If the eccentricity of two ellipses $\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$ and $\frac{x^2}{2} + \frac{y^2}{2} = 1$ are equal, what is the value of a/b?

In the reaction given, which compounds correspond to A, B, and C? (CH 27.CO)

Which of the following is NOT an electrophile?

In the context of explosion, what is the correct total energy released?

When a square plate is allowed to fall up to the x-y plane from the x-z plane, what is the final angular velocity?

If a particle is projected vertically upwards from Earth's surface with kinetic energy equal to half the minimum escape energy, how high does it rise above the surface?

In a large container with a small hole, which gas has a greater molecular weight between H2Te and H2S?

What happens to a square plate of mass M when it is hinged at point A and allowed to rotate about the x-axis?

Which compound produces an oil nitrosoamine on reaction with aqueous nitrous acid at low temperature?

The reaction of sulphur with concentrated NaOH forms which of the following compounds?

Which statement is INCORRECT?

Which species has a bond order of one?

According to the mentioned law, the osmotic pressure of a dilute solution is directly proportional to the absolute temperature when the concentration remains constant. Which law is being referred to?

In Clemmensen’s reaction, what product is obtained when a ketone is used as a reactant?