Maharashtra Board Chapter 12 Class 9 Science Question and Answer
1. Fill in the blanks and explain. a. Sound does not travel through ……vacuum ………………….………... Answer. Sound waves are a type of wave known as longitudinal waves. These waves need…
1. Fill in the blanks and explain. a. Sound does not travel through ……vacuum ………………….………... Answer. Sound waves are a type of wave known as longitudinal waves. These waves need…
विज्ञान धडा 1 गुरुत्वाकर्षण प्रश्न 1 विज्ञान धडा 1 गुरुत्वाकर्षण प्रश्न 2. पुढील प्रश्नांची उत्तरे द्या. (अ ) वजन व वस्तुमान यातील फरक काय आहेय? एखादे वस्तुचे पृथ्वीवरील वस्तुमान व…
Question1.Fill in the blanks and explain the completed statements:a. Refractive index depends on the…………. of light.Answer: Refractive index depends on the velocity of light.It is an experimental fact. (This is an established…
Question 1.Fill in the blanks and rewrite the sentences:a. The amount of water vapour in air is determined in terms of its………..Answer: The amount of water vapour in air is…
Exercise Question 1. Tell the odd one out. Give a proper explanation.a. Fuse wire, bud conductor, rubber gloves, generator. Answer. The generator changes mechanical energy into electrical energy, while the…
Question 1. Choose the correct option from the bracket and explain the statement giving reasons:(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition) (a)To prevent rusting, a laver of …………