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What is an ecological balance?
Concept: Ecological Balance
Light waves each of amplitude "a" and frequency "ω", emanating from two coherent light sources superpose at a point. If the displacements due to these waves are given by y1 = a cos ωt and y2 = a cos(ωt + ϕ) where ϕ is the phase difference between the two, obtain the expression for the resultant intensity at the point.
Concept: Principle of Superposition of Waves
Sketch and label the ‘Ultrastructure of Chloroplast’.
Concept: Site of Photosynthesis
Pyruvate undergoes oxidative decarboxylation to produce _____________.
(a) 2-PGA
(b) α-Ketoglutarate
(c) Succinyl-Co-A
(d) Acetyl-Co-A
Concept: Phases of Respiration: Glycolysis
Give the diagrammatic representation of ETS
Concept: Phases of Respiration: Electron Transport System (Ets) and Oxidative Phosphorylation
Use Bohr's postulate to prove that the radius of nth orbit in a hydrogen atom is proportional to n2.
Concept: Bohr’s Model for Hydrogen Atom
What happens when magnesium is burnt in air.
Concept: Anomalous Properties of Lithium
Write the difference between the following:
Active and passive footprints.
Concept: Digital Footprints
If R = {(x, y) : x, y ∈ Z, x2 + y2 ≤ 4} is a relation on Z, then the domain of R is ______.
Concept: Fundamental Concepts of Ordered Pairs and Relations
Choose the correct option:
A standing wave is produced on a string clamped at one end and free at the other. The length of the string ______.
Concept: Speed of Wave Motion
State two legislative powers of the President of India.
Concept: Legislative Functions
