Exam Details

Subject Applied Science
Paper
Exam / Course BSC (Nautical Science)
Department School of Engineering & Technology (SOET)
Organization indira gandhi national open university
Position
Exam Date December, 2015
City, State new delhi,


Question Paper

1. Attempt all parts.

Give the relation between moment of inertia, mass and radius of gyration.

Differentiate between specific heat and heat capacity.

Equation for period of oscillation of a loaded spring is

Differentiate between transverse and longitudinal waves.

Rainbow is formed due to of light.

2. Attempt any two parts.

At what temperature will the speed of sound be double its value at 273 K

Refractive indices of water and glass are 4/3 and 3/2 respectively. A ray of light travelling in water is incident on the water-glass interface at 30°. Calculate the angle of refraction.

Define conduction, convection and radiation. Give one practical application for each in day-to-day life.

3. Attempt any two parts.

State Newton's law of gravitation and derive an expression for the variation of with altitude.

A 3 kg object stretches a spring by 8 cm when it hangs vertically in equilibrium. The spring is then stretched further from equilibrium and the object is released. Find the frequency of motion and frequency, when the 3 kg object is replaced by another object of 4·5 kg. Take g =9·8 m/s^2.

State and prove the law of conservation of angular momentum.

4. Attempt any two parts.

State and prove the law of conservation of energy in the case of a freely falling body.

Find the object distance in the case of a convex lens of focal length 25 cm, if the image is magnified to twice the size of the object in the case of real and virtual image.

An automobile, moving at 30 is approaching a siren that has a frequency of 400 Hz. Find the apparent frequency of the siren as heard by the driver. Velocity of sound is 340 m/s.

5. Attempt all parts.

Global warming is due to gas.

The gases responsible for acid rain are and

Define an orbital.

An electron is present in 3d orbital. What is its azimuthal quantum number?

What are isotopes?

6. Attempt any two parts.

Give three properties and two uses of methane.

Explain endothermic and exothermic reactions with one example each.

State the ideal gas equation and explain the terms used and also explain the mole concept.

7. Attempt any two parts.

A compound contains 4·07% of hydrogen, 24.27% of carbon and 71·65% of chlorine. Its molecular mass is 98.96. What are the empirical and molecular formulae? Atomic, mass of chlorine is 35.5.

What are quantum numbers? What do they signify

Write a note on air pollution.

8. Attempt any two parts.

Explain how the following vary along the period:

Ionisation potential

Electron affinity

Explain the different methods used to reduce water pollution.

What is meant by COD and BOD of water Why is COD preferred over BOD?


Other Question Papers

Departments

  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • National Centre for Disability Studies (NCDS)
  • School of Agriculture (SOA)
  • School of Computer and Information Sciences (SOCIS)
  • School of Continuing Education (SOCE)
  • School of Education (SOE)
  • School of Engineering & Technology (SOET)
  • School of Extension and Development Studies (SOEDS)
  • School of Foreign Languages (SOFL)
  • School of Gender Development Studies(SOGDS)
  • School of Health Science (SOHS)
  • School of Humanities (SOH)
  • School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
  • School of Journalism and New Media Studies (SOJNMS)
  • School of Law (SOL)
  • School of Management Studies (SOMS)
  • School of Performing Arts and Visual Arts (SOPVA)
  • School of Performing Arts and Visual Arts(SOPVA)
  • School of Sciences (SOS)
  • School of Social Sciences (SOSS)
  • School of Social Work (SOSW)
  • School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
  • School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
  • School of Translation Studies and Training (SOTST)
  • School of Vocational Education and Training (SOVET)
  • Staff Training & Research in Distance Education (STRIDE)

Subjects

  • Applied Mathematics
  • Applied Science
  • Cargo Handling, Stowage and Seamanship
  • Cargo Handling, Stowage and Seamanship- II
  • Electricity and Electronics
  • Navigation  I (Terrestrial and Celestial)
  • Navigation  II (Bridge Equipment, Watch Keeping,
  • Navigation  IV
  • Navigation-III
  • Navigational Aids & Environmental Protection
  • Qualifying Paper (English and Human Factors)
  • Qualifying Paper (Maritime, History and Commerce)
  • Ship Manoeuvring and Future Issues
  • Ship Operations
  • Ship Safety and Security