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What will be the consequence on interference fringes in Young’s double slit experiment if:
State the Huygens principle. For reflection of plane wave front at a plane reflecting surface, construct the corresponding reflected wave front. By using this diagram prove that the angle of inciden
Describe Young’s double slit experiment of interference of light waves. Compute the path difference between interfering waves and give conditions for maxima and minima. Get the expression for
Provide the construction and working of a compound microscope. Define and derive an equation for its magnifying power.
You are given with four lenses of focal lengths 1cm, 3cm, 10cm and 100 cm. Which two would you favor for a microscope and which two for a telescope?
Which type of shift keying technique is used in two tone modulation for code transmission? How is it beneficial than the other type of keying?
Define the word modulation. Describe the requirement of modulation. Name three different kinds of modulation used for a message signal by using a sinusoidal continuous carrier wave. Describe the mea
What do you mean by the term critical frequency for sky wave propagation? Write down an expression for the critical frequency in terms of the maximum electron density of the ionosphere. Determine th
What are ortho and para forms of hydrogen? Discuss the effect of temperature on ortho and para hydrogens? What is the difference between intramolecular and intermolecular hydrogen bonding? Describe wi
What are the three fundamental units of a communication system?
Explain Faraday’s laws of electrolysis. Describe Stark – Einstein Law of photochemical equivalence.
What is an electric polarization of a dielectric? What is the consequence on capacitance of a capacitor when a dielectric of width ‘t’ is placed between the two plates of parallel plate
Three charges Q, + q and + q are placed at the vertices of a right angle isosceles triangle as shown below. Find out the magnitude of Q for which total electrostatic energy of the configuration is z
Why does the electric field in a dielectric decrease when it is placed in an external electric field?
Why can one ignore quantization of charge when dealing with the macroscopic charges?
What is the difference between macrominerals and trace elements? Write the major functions of any four trace elements? How is the standard free energy for chemical reactions different form the standar
Explain the origin of Stokes, Anti-Stokes and Rayleigh lines according to quantum theory of Raman spectrum. Discuss Born oppenheimer approximation.
What is osmotic pressure and how can it be calculated? With the help of an example explain the process of active transport by ion gradients. Name the types of enzymes and discuss the genetic control o
Write the important points about energy flow in an ecosystem. Describe the ecological effects of overgrazing and deforestation.
Explain the experiment of Avery, McLeod and McCarty. Why is it considered important in the field of Genetics? Write the genotypes and the phenotypes of the persons with Klinefelter Syndrome and Down S
Name the technique used for: Observation of DNA regions in chloroplast, Regeneration of plants from excised tissues of mature plants and Analysis of DNA structure.
Explain water potential? Describe the effect of solute, pressure and matric pressure on water potential.Explain the mechanism of control of stomata with suitable diagram.
Social Responsibility of business is a two way traffic. Describe the elements of socio-cultural environment.
Describe main trends in colonial historiography. Give Marxist interpretation of the colonial view-point.
Describe the process of transition from pre-state to state in early period in North India.