The correct answer is (b) 1815 m. The distance is calculated using distance = speed × time. Given the speed of sound as 330 m/s and time as 5.5 s, the distance is 330 × 5.5 = 1815 m. Class ...
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CBSE 2024-2025 | NCERT Social Science | Class 9th | Chapter 1: The Story of Village Palampur | MCQ Questions Chapter 1, The Story of Village Palampur, introduces students to the basic concepts of economics and rural development. It explores ...
The correct answer is (a) sound will be louder but pitch will not be different. Loudness depends on the amplitude of vibration, which increases when the key is struck harder. However, pitch depends on frequency, which remains unchanged as it ...
The Green Revolution was first introduced in Punjab, Haryana and Uttar Pradesh in the 1960s. Its main goal was to increase the production of food grains like wheat and rice using high-yield variety (HYV) seeds, chemical fertilizers, pesticides and advanced ...
The village of Palampur, described in CBSE NCERT Social Science Class 9 chapter The Story of Village Palampur, showcases a well-developed rural economy. Farming is the primary occupation, where modern techniques like HYV seeds fertilizers and irrigation enhance productivity. Besides ...