. Here , A refers to

1.	. Here , A refers to
Answer» <html><body><p><img src="https://doubtnut-static.s.llnwi.net/static/physics_images/AKS_ELT_AO_CHE_XI_V01_D_C04_E01_142_O01.png" width="30%"/> <br/><img src="https://doubtnut-static.s.llnwi.net/static/physics_images/AKS_ELT_AO_CHE_XI_V01_D_C04_E01_142_O02.png" width="30%"/><br/><img src="https://doubtnut-static.s.llnwi.net/static/physics_images/AKS_ELT_AO_CHE_XI_V01_D_C04_E01_142_O03.png" width="30%"/><br/>all of these</p>Solution :<img src="https://doubtnut-static.s.llnwi.net/static/physics_images/AKS_ELT_AO_CHE_XI_V01_D_C04_E01_142_S01.png" width="80%"/></body></html>

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