Q1. What is the dimensional formula for mechanical energy that refers to the total energy of an object due to its position and motion?
- (a) [M¹L²]
- (b) [M²L²T⁻1]
- (c) [M¹L²T⁻²]
- (d) [ML²T⁻³]
Answer & solution
Answer: (c) [M¹L²T⁻²]
All 40 GK / GS questions asked in RRB NTPC UG CBT-1 2024-25 on 12 August 2025 Shift 2, with correct answers and short solutions, subject-wise: Physics, Current Affairs, Chemistry, Polity, Geography, Economics.
Answer: (c) [M¹L²T⁻²]
Answer: (c) Speed increases, minimum distance increases
Answer: (a) It enhances India's strategic deterrence capabilities
Answer: (b) Yupia Outdoor Stadium, Arunachal Pradesh
Answer: (d) Gajsimha
Answer: (b) India
Answer: (a) Kerala
Answer: (c) Yashoda AI: Your AI SAKHI
Answer: (b) USD 25–30 billion
Answer: (b) Thailand
Answer: (c) Odisha
Answer: (b) Armenia and Azerbaijan
Answer: (c) Switzerland
Answer: (c) Child sexual abuse
Answer: (b) QDENGA (TAK‑003)
Answer: (b) Sodium bicarbonate
Answer: (c) Lead
Answer: (d) Murder trials
Answer: (a) Article 31
Answer: (a) Privy purses of former princely rulers
Answer: (d) It comprises all adult voters in the Panchayat area; its role is defined by state law.
Answer: (d) To promote transparency and accountability
Answer: (a) Barauni Refinery
Answer: (b) Equatorial region
Answer: (c) Andaman Islands
Answer: (c) Madhya Pradesh
Answer: (b) sand dunes
Answer: (d) Northern India
Answer: (d) Public sector dominance in core industries
Answer: (c) It gradually reduced
Answer: (b) Jatakas
Answer: (c) Bronze
Answer: (d) Cotton
Answer: (a) Dadabhai Naoroji
Answer: (c) Systematic decline of traditional industries
Answer: (c) Boycott, Swadeshi and non-cooperation with rulers
Answer: (c) Saraswati
Answer: (c) 19ᵗʰ
Answer: (d) It gives an error.
Answer: (b) RAM