Rajshekhar

Mayur Arya

Asked: December 27, 2023In: Class 10 Science

Kaveri conducted an experiment to study the energy efficiency of different bulbs. She connected a bulb A having a resistance of 100 ohms to a 240 V power supply in a laboratory. (a) How much energy will be consumed by the bulb, if it is kept ON for 4 hours each day for a week? Express your answer in kJ. (b) Kaveri connects another similar bulb B in series with bulb A and connects the combination to a 240 V supply. Will there be any change in the brightness with which bulb A glows now? Explain mathematically.

Energy efficiency refers to using less energy to perform a task while maintaining or improving performance. It involves optimizing technology and practices to reduce energy consumption, costs, and environmental impact.

Mayur Arya

Asked: December 27, 2023In: Class 10 Science

If two pea plants having round and green seeds (RRGg) are crossed, identify the percentage of the following with respect to the F1 generation: (a) gametes having both the round and yellow seed traits (b) offspring having the same genotype as the parents (c) offspring having the same phenotype as the parents

Gregor Mendel’s cross-breeding experiments with pea plants in the 19th century laid the foundation for modern genetics. His laws of inheritance revealed patterns of genetic transmission, contributing significantly to the understanding of heredity.

Prasant

Asked: December 27, 2023In: Class 10 Science

A metal X is obtained from its chloride salt by exposure to sunlight. (a) In which section of the reactivity series of metals- top, middle or bottom, is it likely to be placed? Justify your answer. (b) Identify the type of reaction the chloride salt of metal X undergoes on exposure to sunlight.

Exposure of certain metals to sunlight may lead to photochemical reactions, causing oxidation or corrosion. Ultraviolet (UV) radiation can accelerate these processes, affecting the appearance and properties of the metal.

Kiara Singh

Asked: December 22, 2023In: Trending

National mathematics day celebrated in India?

National Mathematics Day is celebrated on December 22 in India to honor mathematician Srinivasa Ramanujan’s birth anniversary, promoting mathematical awareness and education.

ballu

Asked: December 20, 2023In: Class 8 Social Science

Find out more about Rani Lakshmibai of Jhansi. In what ways would she have been an unusual woman for her times?

NCERT Solutions for Class 8 Social Science History Chapter 5 When People Rebel 1857 and After Question 10 Page No. 64 NCERT Academic Session 2023-2024

Rajshekhar

A metal X is obtained from its chloride salt by exposure to sunlight. (a) In which section of the reactivity series of metals- top, middle or bottom, is it likely to be placed? Justify your answer. (b) Identify the type of reaction the chloride salt of metal X undergoes on exposure to sunlight.

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