Question Discussion & Solution

Explanation:

• Sound is a longitudinal mechanical wave that propagates by making compressions (high pressure) and rarefactions(low pressure) in its propagating medium. 

• The amplitude of wavelength is the maximum distance the particle oscillating moves from the mean position.
• The frequency of the wave is the number of times one complete cycle of compressions 

• More the frequency more is the pitch of the sound, the sound is having more shrillness. 
• The more the amplitude the more is the loudness of the sound. 

So, loudness depends upon the amplitude.

Important Points 

• The Pitch of the sound depends upon frequency. 
• Mathematically, loudness is directly proportional to the square of the amplitude. 

L ∝ A2

The correct answer is Prime minister.

Key Points

• Prime Minister is the ex-officio chairman of the NITI Aayog in India.
• NITI Aayog is an executive body, that was established by the government in 2015, through an executive resolution.
• The newly created body replaced the erstwhile planning body- the Planning Commission of India.
• The term NITI stands for National Institution for Transforming India.
• NITI Aayog is a think tank that advises the government in policy formulation, unlike the Planning commission which was empowered to allocate and distribute funds for the planning.
• NITI Aayog's main focus areas are cooperative & competitive federalism, decentralized planning, scenario planning, capacity building, etc.

Additional Information

• Full-Time Organisational Framework:
  • Chairman: Prime Minister
  • Vice Chairperson: Rajiv Kumar
  • Chief Executive Officer (CEO)- Shri Amitabh Kant
  • Full-Time members- Shri VK Saraswat (former DRDO Chief), Prof. Ramesh Chand (Agriculture Expert), and Dr. VK Paul (Public Health expert)
  • Ex-officio members: maximum 4 
  • Special Invitees: Experts and practitioners as appointed by the Prime Minister.

The correct answer is Barmer - Jalore.

Key Points

• Barmer-Jalore are major bajra producing districts.

Additional Information 

The pattern followed is:

There are two series here:

i) 5, 10, 20, 40, 80

5 × 2 = 10

10 × 2 = 20

20 × 2 = 40

40 × 2 = 80

ii) S, R, Q, P, O

S - 1 = R

R - 1 = Q

Q - 1 = P

P - 1 = O

Hence, the correct answer is "80O".

The correct answer is specific guidelines for preparation of Gram Panchayat development plan and their effective implementation.

• Aapni Yojana Aapno Vikas:
  • It was started by Panchayati Raj department.
  • This scheme focuses on development plans for Gram Panchayat and their effective implementation.
  • It is a provision in the scheme that if any gram panchayat is successful in increasing their income, they will be rewarded with a 10 per cent increase.
  • It was formed in accordance with the 14th Finance commission.
  • It was scheme was initiated to provide the basic life necessities to the people belonging to gram panchayat.