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The first step of the concrete recruitment process for the civil services examination is the online registration procedure. Filling the... View Article
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Top UPSC Coaching Classes in Gulbarga
UPSC coaching classes are your one-stop preparation destination for assistance in cracking the civil services examination. In this article, candidates... View Article
Top IAS Coaching Institute in Kollam
Looking for an answer to which is the best IAS coaching institute in Kollam? Check out this space and get... View Article
19 Oct 2021: The Hindu Analysis
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 19th Oct 2021. Important news and... View Article
Gati Shakti Master Plan [UPSC Current Affairs]
Prime Minister Narendra Modi launched the Gati Shakti – National Master Plan for Multi-modal Connectivity in October 2021. What is... View Article
UPSC IAS Exam Application Fees 2023
The IAS exam fee is the final step of filling the application form and registering for the civil services examination.... View Article
Martyrs’ Day
Martyrs’ Day is commemorated on January 30 to mark the death anniversary of Mahatma Gandhi. Martyrs’ Day or Shaheed Divas... View Article
Coastal States of India
India has a very long coastline, and it measures about 7,516.6 km bordering the mainland and the islands with the... View Article
19 Oct 2021: UPSC Exam Comprehensive News Analysis
Oct 19th, 2021, CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related URBANISATION 1. ‘Mumbai lost 40% green... View Article
18 Oct 2021: PIB Summary & Analysis
TABLE OF CONTENTS 1. Directorate General Defence Estates (DGDE) 2. Like Minded Developing Countries (LMDC) 3. Geospatial Energy Map of... View Article
18 Oct 2021: The Hindu Analysis
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 18th Oct 2021. Important news and... View Article
Economy This Week (9th Oct to 15th Oct 2021)
Economy is an important part of the UPSC prelims and mains exams; this series titled ‘Economy This Week’ has been initiated to... View Article
A body of mass 2 kg is moving with velocity 10 m/s towards east. Another body of same mass and same velocity moving towards north collides with former and coalesces and moves towards north-east. Its velocity is
1) 10 m/s 2) 5 m/s 3) 2.5 m/s 4) 5√2 m/s Answer: 4) 5√2 m/s Solution: Initial momentum = \(\begin{array}{l}\vec{P}=mv\hat{i}+mv\hat{j}\end{array} \)... View Article
In an inelastic collision, what is conserved
1) Kinetic energy 2) Momentum 3) Both (1) and (2) 4) Neither (1) and (2) Answer: 2) Momentum Solution: momentum is... View Article
If the momentum of a body is increased by 100%, then the percentage increase in the kinetic energy is
1) 150% 2) 200% 3) 225% 4) 300% Answer: 4) 300% Solution: Kinetic Energy (K.E) = p2/2m ( p = momentum,... View Article
A body moving with velocity v has momentum and kinetic energy numerically equal. What is the value of v
1) 2 m/s 2) √2 m/s 3) 1 m/s 4) 0.2 m/s Answer: 1) 2 m/s Solution: Momentum = Kinetic Energy... View Article
A 0.5 kg ball is thrown up with an initial speed 14 m/s and reaches a maximum height of 8.0 m. How much energy is dissipated by air drag acting on the ball during the ascent?
1) 19.6 Joule 2) 4.9 Joule 3) 10 Joule 4) 9.8 Joule Answer: 4) 9.8 Joule Solution: If there is no... View Article
The decrease in the potential energy of a ball of mass 20 kg which falls from a height of 50 cm is
1) 968 J 2) 98 J 3) 1980 J 4) None of these Answer: 2) 98 J Solution: Decrease in... View Article
If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine is (g = 9.8 m/s2)
1) 9.8 m/s 2) 19.6 m/s 3) 39.2 m/s 4) 98.0 m/s Answer: 2) 19.6 m/s Solution: Velocity of water at... View Article
A bullet is fired from a rifle. If the rifle recoils freely, then the kinetic energy of the rifle is
1) Less than that of the bullet 2) More than that of the bullet 3) Same as that of the... View Article
