https://www.google.co.in/search?q=Fundamental+Quantities+with+their+SI+Units+and+Symbols&safe=active&client=opera&hs=wDG&sxsrf=ACYBGNRP6Kh3VxPTaKfxRYLeau3DxcnqLw:1578575537554&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiS56qRzPbmAhXzzjgGHV2eD5sQ_AUoAXoECBIQAw&biw=1061&bih=501#imgrc=HDLj_ecxrRK07M:
https://www.google.co.in/search?safe=active&client=opera&hs=sNH&biw=1061&bih=501&tbm=isch&sxsrf=ACYBGNQvkEf46RWrG2tQoueoJ1GpyF2PJA%3A1578579997039&sa=1&ei=HTgXXobvAf_D3LUP0PWUwA0&q=Some+Common+Physical+Quantities+their%2C+SI+Units+and+Dimensions&oq=Some+Common+Physical+Quantities+their%2C+SI+Units+and+Dimensions&gs_l=img.3..35i39.34795.35218..35962...0.0..0.128.566.1j4......0....1..gws-wiz-img.cAGT9kKRr5w&ved=0ahUKEwjG8ePf3PbmAhX_IbcAHdA6BdgQ4dUDCAY&uact=5#imgrc=UlFmbh6MIugJWM:
https://www.google.co.in/search?q=Characteristics+of+EM+waves&safe=active&client=opera&hs=nPT&sxsrf=ACYBGNStS8R6yFfUt9Nv3PFuHffgk1TdQg:1578626244597&source=lnms&tbm=isch&sa=X&ved=2ahUKEwjTgKuEifjmAhVUfisKHW5kAA8Q_AUoAXoECBIQAw&biw=1061&bih=501#imgrc=Bc-DgJvj6j_2kM:
https://www.google.co.in/search?q=Characteristics+of+EM+waves&safe=active&client=opera&hs=nPT&sxsrf=ACYBGNStS8R6yFfUt9Nv3PFuHffgk1TdQg:1578626244597&source=lnms&tbm=isch&sa=X&ved=2ahUKEwjTgKuEifjmAhVUfisKHW5kAA8Q_AUoAXoECBIQAw&biw=1061&bih=501#imgrc=QpjQh6BC9jLFbM:
https://www.google.co.in/search?q=Electromagnetic+Spectrum&safe=active&client=opera&hs=ABo&sxsrf=ACYBGNTQi7vHo23wupdlhgiyxtjiXBuAjw:1578626620538&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiB2My3ivjmAhUB7XMBHcN6CDUQ_AUoAXoECBEQAw&biw=1061&bih=501#imgrc=zwm48m-mGrYD6M:
https://www.google.co.in/search?q=Wavelength+of+colours+in+visible+light&safe=active&client=opera&hs=wwT&sxsrf=ACYBGNTgMmr0S5RH8Q1OaEX4gT8uyx2oJQ:1578628299161&source=lnms&tbm=isch&sa=X&ved=2ahUKEwjH1oPYkPjmAhX07nMBHVtbDaAQ_AUoAXoECBEQAw&biw=1061&bih=501#imgrc=oXbV97e5aWerXM: