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What are the anthropogenic pollutants? What is the basic difference between primary and secondary pollutants? Give illustrations of each.
How is Standard Hydrogen Electrode (SHE) constructed? Why is usually SHE chosen as primary reference? Write its limitation when it is employed as primary reference electrode.
What is the importance of Munsell notation in characterizing a soil profile? Describe the notations shown below.
Describe the routes of HIV transmission among children and the different ways and means to prevent mother-to-child transmission?
What is the rationale behind the introduction of Sexual Health Education in the context of HIV-AIDS?
Discuss the different myths and misconceptions related to HIV/AIDS.
Compute the radius of the second and third orbits in He+ ion. As well compute the energy of the electron in the second and third orbits of He+ ion.
State and prove with the help of suitable diagram the sampling theorem.
An analog triangular 1 KHz signal is sampled at 8 kbps. Draw the essential circuit and the output waveform (with timescale), if peak signal amplitude is 4mV.
Describe why the temperature of sunspots is lower than their surroundings. What do you mean by the term butterfly diagram?
List out the rotational symmetry axes in a face centered orthorhombic crystal system.
Can a unit cell in the shape of a pentagon make a two dimension crystal lattice? Describe.
How does the fact that the speed of light is constant lead to relativity of the simultaneity? Describe in around 250 words with the help of an illustration.
A band stop filter attenuates a narrow band of frequencies and permits to pass all other frequency signals. Draw a schematic of a band pass filter made of combination of low and high pass filters.
The sodium lamp used in a physics laboratory gives out light uniformly. Assume that the lamp uses 60 W. Compute the magnitude of electric field.
By using Maxwell’s equations in free space, derive the wave equation for the z-component of the electric field vector.
Explain principles and importance of food preservation. Describe the process and importance of sterilization and canning.
What is a thermocouple? Describe its working principle. How is it used to measure the temperature? Write down the range of temperature covered by:
Explain the clinical features and preventive strategies for iodine deficiency. What are the methods for prevention and control of anaemia?
A simple harmonic oscillator has amplitude of 0.17 m and a period of 0.84 s. Find out the frequency and the angular frequency of the motion. Write down expressions for the time dependence of displac
Define the term food adulteration according to the PFAAct and discuss the reasons for food adulteration with examples. Briefly discuss ill effects of different adulterants added in milk, oil and food
Explain enzyme kinetics and the concept of enzyme specificity. Explain the factors affecting enzyme activity.
A plane is flying with a constant speed all along a straight line at an angle of 30° with the horizontal. The weight of plane is 80, 000 N and its engine gives a thrust of 100, 000 N in the dire
Describe the nerve cell morphology.Describe the types and functions of the nerves which are a part of the peripheral nervous systems.
Give dietary guidelines for management of the patient suffering from chronic renal failure.Give significant goals of nutritional care of persons with neurological disorders.