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Daily Current affairs

IGNOU Solved Assignments

A-hand-drawn-vintage-style-map-illustrating-the-ancient-Tea-Horse-Road
Current Affairs 2025
The Amazing Journey of the Tea Horse Road: Bridging Cultures and Continents
March 25, 2025
Election
Current Affairs 2025
🚨 10 Reasons Why BJP CRUSHED AAP in Delhi Elections 2025 – The Shocking Truth! 😱🔥
February 8, 2025
donald trump
Current Affairs 2025
Trump Wants the U.S. to Take Over Gaza – But Can It Really Happen?
February 7, 2025
vijay durg
Current Affairs 2025
Fort William Renamed Vijay Durg: A Step Towards India’s De-Colonization Effort
February 7, 2025
1738604902
Science
The Challenges of AI-Driven Genetic Testing: Balancing Innovation with Ethics and Security
February 3, 2025
donald trump
Geography
Border Fencing Dispute Between India and Bangladesh: Rising Tensions in 2025
February 3, 2025
1738592582
Scheme
Gyan Bharatam Mission: Revitalizing India’s Manuscript Heritage (Budget 2025)
February 3, 2025
1738591796
Science
India’s Nuclear Energy Mission: A Step Towards a Greener Future (Budget 2025)
February 3, 2025
1738591491
Current Affairs 2025
China’s DeepSeek AI: A Game-Changer in Artificial Intelligence
February 3, 2025
1738397877
Finance
New Income Tax Slab rate for Personal Income as presented by Finance minister today in budget 2025
February 1, 2025
BPHE-102
BPHE-102: Oscillations and Waves – All Assignment Answers (2025)
September 14, 2025
BPHE-102
e) Consider two cylindrical pipes of equal length. One of these acts as a closed organ pipe and the other as open organ pipe. The frequency of the third harmonic in the closed pipe is 200 Hz higher than the first harmonic of the open pipe. Calculate the fundamental frequency of the closed pipe.
September 14, 2025
BPHE-102
d) A stretched string of mass 20 g vibrates with a frequency of 30 Hz in its fundamental mode and the supports are 40 cm apart. The amplitude of vibrations at the antinode is 4 cm. Calculate the velocity of propagation of the wave in the string as well as the tension in it.
September 14, 2025
BPHE-102
c) The linear density of a vibrating string is 1.3 × 10⁻⁴ kg/m. A transverse wave is propagating on the string and is described by the equation y(x, t) = 0.021 sin(30t − x), where x and y are in metres and t is in seconds. Calculate the tension in the string.
September 14, 2025
BPHE-102
b) A sinusoidal wave is described by y(x, t) = 3.0 sin(3.52t − 2.01x) cm. Determine the amplitude, wave number, wavelength, frequency and velocity of the wave.
September 14, 2025
BPHE-102
a) The oscillations of two points x₁ and x₂ at x = 0 and x = 1 m respectively are modelled as: y₁ = 0.3 sin(4πt) and y₂ = 0.3 sin(4πt + π/8). Calculate the wavelength and speed of the associated wave.
September 14, 2025
BPHE-102
e) Establish the equation of motion of a weakly damped forced oscillator explaining the significance of each term. Differentiate between transient and steady state of the oscillator.
September 14, 2025
BPHE-102
d) For a damped harmonic oscillator, the equation of motion is m d²x/dt² + γ dx/dt + kx = 0 with m = 0.50 kg, γ = 0.70 kg/s and k = 70 N/m. Calculate (i) the period of motion, (ii) number of oscillations in which its amplitude will become half of its initial value, (iii) the number of oscillations in which its mechanical energy will drop to half of its initial value, (iv) its relaxation time, and (v) quality factor.
September 14, 2025
BPHE-102
c) Two collinear harmonic oscillations x₁ = 8 sin (100πt) and x₂ = 12 sin (96πt) are superposed. Calculate the values of time when the amplitude of the resultant oscillation will be (i) maximum and (ii) minimum.
September 14, 2025
BPHE-102
b) The time period of a simple pendulum, called ‘seconds pendulum’, is 2 s. Calculate the length, angular frequency and frequency of the pendulum. What is the difference between a simple pendulum and a compound pendulum?
September 14, 2025
BPHE-102
a) A simple harmonic motion is represented by x(t) = a cos(ωt). Obtain expressions for velocity and acceleration of the oscillator. Also, plot the time variation of displacement, velocity and acceleration of the oscillator.
September 14, 2025
BPHE-101
BPHE-101: Elementary Mechanics – All Assignment Answers (2025-26)
September 14, 2025
BPHE-101
b) A ball of mass 60g is moving due south with a speed of 50 ms⁻¹ at latitude 30ºN. Calculate the magnitude and direction of the coriolis force on the ball.
September 14, 2025
BPHE-101
a) What should be the angular velocity of the earth such that a person of mass 80 kg standing on the earth at the equator would actually fly off the earth? b) A ball of mass 60g is moving due south with a speed of 50 ms⁻¹ at latitude 30ºN. Calculate the magnitude and direction of the coriolis force on the ball.
September 14, 2025

Political Science : MPS

History : MAH

Sociology : MSO

MPS-001
Short note on India-China border dispute
MED-002
Examine the various parameters to be considered for assessing Sustainable Development ?
MED-002
 How are the traditional and indigenous technologies used for Sustainable development?
MED-002
Examine environmental legislation and its implementation in India ?
MED-002
Global issues and their implications for sustainable development
MED-002
Global warming and the rise in sea level 
MED-002
Human Resources for environment and sustainable development
MHI- 106
Discuss the origin and rise of the Rajputs with reference to the researches of B.D. Chattopadhyaya and N. Zeigler? (500 words)
MHI- 106
How do you study tribes under colonialism? Discuss.(500 words)
MHI- 106
Comment on the participation of women in the national movement? (500 words)
MHI- 106
Comment on the nature of social structures of the North East India under the colonial rule? (500words)
MHI- 106
‘The eighteenth century was a century of universal decline.’ Comment.
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