List of practice Questions

What is meant by personality? Explain any five factors shaping personality.

Explain the types of intelligence tests with advantages and disadvantages.

Calculate the conductivity of an n-type semiconductor from the following data: Density of conduction electrons = \( 8 \times 10^{13} \, \text{cm}^{-3} \) Density of holes = \( 5 \times 10^{12} \, \text{cm}^{-3} \) Mobility of electrons = \( 2.3 \times 10^4 \, \text{cm}^2/\text{V-s} \) Mobility of holes = \( 100 \, \text{cm}^2/\text{V-s} \)

Explain the nature of Post-Traumatic Stress Disorder (PTSD).
Points:
(i) Meaning
(ii) Shock stage
(iii) Suggestible stage
(iv) Recovery stage

Explain postulates of Bohr's model for Hydrogen atom. Show the number of lines in the (A) emission and (B) absorption spectra of Hydrogen atom corresponding to transition between energy states \(n = 1\) and \(n = 4\).

Explain image formation in a reflecting telescope with the help of a ray diagram. Compare its qualities with a refracting telescope.

Explain the basic emotions given by Paul Ekman.
Points:
(i) Happiness
(ii) Sadness
(iii) Anger
(iv) Fear

Explain the laws of perceptual organization with suitable diagrams.
Points:
(i) Law of proximity
(ii) Law of similarity
(iii) Law of continuity
(iv) Law of closure

Calculate the following in the given circuit:
(A) The equivalent capacitance of the circuit.
(B) The charge on \( 3 \, \mu\mathrm{F} \) and \( 2 \, \mu\mathrm{F} \) capacitors.
\includegraphics[]{equivalent capac.PNG}

State and explain Gauss's law in electrostatics. Using it, find the electric field due to a uniformly charged thin spherical shell (charge = q and radius = R) at

(A) external point of shell

(B) internal point of shell

(C) on the surface of shell.

Find the maximum magnitude of velocity and linear momentum of a photoelectron emitted when light of wavelength 4000 Ã… falls on a metal having work function 2.5 eV.

Sunita’s concentration in her studies was interrupted by the songs on the radio played loudly by the neighbors. So this is a description of which aspect of attention?

Satellites are used by the meteorological department to provide weather forecasts to farmers. So the function of satellites is based on which type of intelligence?

Anita consistently increased the amount of practice in sports. It also increased her playing skills. So what type of correlation is found between the amount of practice in sports and playing skills?

Case study method

Drug addiction

Benefits of emotional well-being in day-to-day life

Span of attention

Observation method

What is meant by optimism?

Explain any four changes seen in the behaviour of individuals during adolescence.

Explain bipolar disorder.

Explain Carl Jung’s theory of personality.