In Davisson-Germer experiment, electron gun is coated with oxide of_______ . (A) Barium (B) Sodium (C) Potassium (D) Iron

How do plants defend themselves against diseases like the rose black spot?

which group does silicon belong to

DIRECTIONS : Each of the following questions contains two statements. Check if (A) Statement-1 is true, Statement-2 is true and Statement-2 is correct explanation of Statement-1. (B) Statement-1 is true, Statement-2 is true, but Statement-2 is not a correct explanation of Statement-1. (C) Statement-1 is true, but Statement-2 is false. (D) Statement-1 is false, but Statement-2 is true. Statement-1. Energy is released when heavy nuclei undergo fission or light nuclei undergo fuston. Statement-2. For heavy nuclei, binding energy per nucleon increases with increasing z, while for light nuclei, it decreases with increasing z (a) A (b) B (c) C (d) D

Answer the following question very shortly. What is weather?

Which of the following is not a linear equation ?(A) ax + by + c = 0 (B) 0x + 0y + c = 0 (C) 0x + by + c = 0 (D) ax + 0y + c = 0

Which is the electronic configuration for oxygen? 1s2 2s2 2p1 1s2 2s2 2p3 1s2 2s2 2p4 1s2 2s2 2p6

which animal can drink saline water .without any problem?

A client is admitted aer incurring electrical burns to both hands while playing golf during a lightning storm. the nurse is assessing the entrance and exit wounds. which information should the nurse consider about electrical burns

name one important hormone which of following endocrine gland first adrenaline cortex​

Phil has been working on a new version of his company's best-selling sales management soware and now he'd like to ask several co-workers and a handful of the existing version's top users to perform an acceptance test. Phil is preparing for