A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
A black body is heated from 27° C to 127° C. The ratio of their energies of radiations emitted will…
A black body is heated from 27° C to 127° C. The ratio of their energies of radiations emitted will…
Which azide is explosive Options (a) Ba(N₃)₂ (b) NaN₃ (c) KN₃ (d) Mg₃N₂ Correct Answer: Ba(N₃)₂Explanation:No explanation available. Be the…
Which of the following compound is not coloured Options (a) Na₂[CuCl₄] (b) Na₂[CdCl₄] (c) K₄[Fe(CN)₆] (d) K₃[Fe(CN)₆] Correct Answer: Na₂[CdCl₄]Explanation:No…
Which of the following has highest hydration energy Options (a) MgCl₂ (b) CaCl₂ (c) BaCl₂ (d) SrCl₂ Correct Answer: MgCl₂Explanation:No…
Hydroponics is Options (a) cultivation of plants in water (b) growth of plants towards water (c) growth of plants away…
Viral diseases have no cure because Options (a) viruses have no cell wall (b) viruses can multiply repeatadly within the…
Which of these are most widely used in genetic engineering? Options (a) plastid (b) plasmid (c) mitochondria (d) ribosome Correct…
Velamen is a specialized tissue found in Options (a) aerial roots of orchids (b) succulent leaves (c) pneumatophores (d) stilt…
Which of these are considered most essential in the origin of life? Options (a) enzymes (b) nucleic acids (c) carbohydrates…