class 8 History short notes for revision Nawabs lose their power Since the mid 18th century, Nawabs and Rajas had gradually lost their power and authority. Their freedom reduced, their armed forces disbanded and their revenue andterritories taken away. The company adopted policies to end the Mughal dynasty and thus paved the way for the … Read more
Explain why BF3 has zero dipole moment although it has three polar B-F bonds. Boron trifluoride is has zero dipole moment although it has three polar B—F bonds. This is because BF3 has sp2 hybridization and regular trigonal planal geometry. And hence the individual dipole moments of polar bonds get cancelled and overall dipole moment … Read more
A simple pendulum is made of bob which is a hollow sphere full of sand suspended by means of a wire. If all the sand is drained out, the period of the pendulum will increase decrease remian same become erratic Answer :C Solution :ll in the equation T=2pi sqrt l/g is measured from centre of mass and … Read more
What is a suspension? Write its properties. Answer: Suspension: A suspension is a heterogeneous mixture in which solids are dispersed in liquids. The solute particles in suspension do not dissolve but remain suspended throughout the medium. For example Paints, Muddy water chalk water mixtures etc.Properties of a Suspension• Suspension is a heterogeneous Mixture.• The particles of a … Read more
Enter a Google Drive sharing URL, for example, https://drive.google.com/file/d/1kazyfB4JHoZSmczN-FBVXB4C8qN5b46G/view?usp=sharing: Google Drive direct download link generator Share link Download link Copy link How to Get Google Drive Sharing URL 1. Upload your audio/video file to Google Drive, then right click on the media file in Google Drive and select the menu item Share 2. Click the Get … Read more