11 public questions tagged with this topic.
To address specific characteristics and relationships correct per microeconomics basics; central problems scarcity choice opportunity cost.
Ref: NCERT Economics Class XI Chapter 1 Introduction to Microeconomics explains central problems scarcity choice PPC opportunity cost concepts clearly.
Maslow directing correct; includes motivation, leadership, communication guidance.
Ref: NCERT Business Studies Class XII Chapter 7 Directing covers motivation leadership communication elements importance guiding employee performance effectively.
By experiences of managers is principle; Fayol/Taylor principles general guidelines flexible universal.
Ref: NCERT Business Studies Class XII Chapter 2 Principles of Management explains Fayol and Taylor principles guidelines for managerial efficiency.
By experiences of managers is principle; Fayol/Taylor principles general guidelines flexible universal.
Ref: NCERT Business Studies Class XII Chapter 2 Principles of Management explains Fayol and Taylor principles guidelines for managerial efficiency.
All of the above defines nature significance; management goal-oriented, continuous, pervasive.
Ref: NCERT Business Studies Class XII Chapter 1 Nature and Significance of Management defines management functions characteristics clearly explained.
Policy making defines nature significance; management goal-oriented, continuous, pervasive.
Ref: NCERT Business Studies Class XII Chapter 1 Nature and Significance of Management defines management functions characteristics clearly explained.
**Radio waves** λ≈10⁻¹ to 10⁴ m, f≈10⁴ to 10⁹ Hz, produced by rapid acceleration/deceleration of electrons in aerials/antenna, used for long-distance communication because low frequency diffracts around obstacles and reflects from ionosphere, enabling ground wave and sky wave propagation, effective for broadcasting. The document mentions that Maxwell predicted the existence of electromagnetic waves, which were later confirmed to include light, radio waves, and others, but initially, they were general EM waves. Using c = fλ, E₀/B₀ = c, I_d = ε₀ dΦ_E/dt, and spectrum classification λ = c/f, eval
Ref: NCERT > Physics Book > Electromagnetic Waves > Electromagnetic Spectrum - Radio Waves and Microwaves
**Solenoid field** inside long solenoid is B = μ₀ n I, n = N/L turns per meter (m⁻¹), uniform and parallel to axis, outside negligible for long solenoid because fields from opposite sides cancel. For n = 1200 m⁻¹, I = 1 A, B = 4π×10⁻⁷×1200 = 1.51×10⁻³ T = 1.51 mT. In a long solenoid, the magnetic field lines are concentrated inside, and outside, the fields from opposite sides of the coils cancel each other, making the external field nearly zero. Using F = q v B sinθ, F = I l B sinθ, B = μ₀ I/(2π r), B = μ₀ N I/(2R)
Ref: NCERT > Physics Book > Moving Charge and Magnetism > Solenoid, Toroid and Ampere's Law
Paul Ehrlich's rivet popper hypothesis states that the gradual loss of species weakens ecosystem functioning, just as removing rivets weakens an aircraft.
Ref: NCERT Class 12 Biology Chapter 13: Biodiversity and Conservation Biodiversity - Levels - Genetic Species Ecological
No explanation of adaptation reflects key principle in quiz on section b pyqs- origin of life, where evolutionary mechanisms shape genetic variation and adaptation. In this context, No explanation of adaptation aligns with experimental and theoretical evidence from population genetics, behavioral ecology and molecular phylogeny. Textbooks like Campbell Biology, Futuyma Evolution and Hartl Principles illustrate supporting data. Understanding why No explanation of adaptation fits helps integrate natural selection, drift and species concepts essential for NEET, CSIR-NET and GATE examinations. Thi
Ref: Miller & Lazcano, J Mol Evol, Prebiotic Chemistry and RNA World.
