NEET · Physics · STD 11 - 7. gravitation
The kinetic energies of a planet in an elliptical orbit about the Sun, at positions \(A, B\) and \(C\) are \(K_A, K_B\) and \(K_C\), respectively. \(AC\) is the major axis and \(SB\) is perpendicular to \(AC\) at the position of the Sun \(S\) as shown in the figure. Then
- A \(K_A < K_B < K_C\)
- B \(K_A>K_B>K_C\)
- C \(K_B>K_A>K_C\)
- D \(K_B < K_A < K_C\)
Answer & Solution
Correct Answer
(B) \(K_A>K_B>K_C\)
Step-by-step Solution
Detailed explanation
point \(A\) is perihelion and \(C\) is aphelion. So, \({v_A} > {v_B} > {v_C}\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- If the plates of a parallel plate capacitor connected to a battery are moved close to each other, then \(A\). the charge stored in it, increases. \(B\). the energy stored in it, decreases. \(C\). its capacitance increases. \(D\). the ratio of charge to its potential remains the same. \(E\). the product of charge and voltage increases. Choose the most appropriate answer from the options given below:NEET 2024 Medium
- The magnetic flux linked to a circular coil of radius \(R\) is : \(\phi=2 t^3+4 t^2+2 t+5 \;W b\) The magnitude of induced \(emf\) in the coil at \(t=5\; s\) is \(..........\,V\).NEET 2022 Easy
- The temperature of a gas is \(-50^{\circ}\,C\). To what temperature the gas should be heated so that the rms speed is increased by \(3\) times?NEET 2023 Easy
- A square loop \(ABCD\) carrying a current \(i,\) is placed near and coplanar with a long straight conductor \(XY\) carrying a current \(I,\) the net force on the loop will be
NEET 2016 Medium - A satellite of mass \(m\) is in circular orbit of radius \(3 R_E\) about earth (mass of earth \(M_{E}\), radius of earth \(R_{E}\)). How much additional energy is required to transfer the satellite to an orbit of radius \(9 R_{E}\)?NEET 2017 Medium
- Six similar bulbs are connected as shown in the figure with a \(DC\) source of \(emf\; E\), and zero internal resistance. The ratio of power consumption by the bulbs when \((i)\) all are glowing and \((ii)\) in the situation when two from section \(A\) and one from section \(B\) are glowing, will be
NEET 2019 Hard
More PYQs from NEET
- Match List \(- I\) with List \(- II.\)
Choose the correct answer from the options given below.\((a)- (b)- (c)- (d)\)List \(- I\) List \(- II\) \((a)\) Adaptive radiation \((i)\) Selection of resistant varieties due to excessive use of herbicides and pesticides \((b)\) Convergent evolution \((ii)\) Bones of forelimbs in Man and Whale \((c)\) Divergent evolution \((iii)\) Wings of Butterfly and Bird \((d)\) Evolution by anthropogenic action \((iv)\) Darwin Finches NEET 2021 Medium - A galvanometer of resistance \(100 \Omega\) gives full scale deflection for a current of 1 mA. It is converted into an ammeter of range 0−10 A. The shunt required is :NEET 2026 Easy
- A solid cylinder of mass \(2\; kg\) and radius \(4 \;\mathrm{cm}\) is rotating about its axis at the rate of \(3\; \mathrm{rpm}\). The torque required to stop after \(2 \pi\) revolutions isNEET 2019 Hard
- The percentage of pyridine \((C_5H_5N)\) that forms pyridinium ion \((C_5H_5N^+H)\) in a \(0.10\, M\) aqueous pyridine solution (\(K_b\) for \(C_5H_5N = 1.7 \times 10^{-9}\)) isNEET 2016 Hard
- Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis ? It involves:NEET 2022 Medium
- Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis ofNEET 2015 Medium