6Momentum is the product of:AMass and accelerationBMass and velocityCForce and distanceDForce and timeView AnswerDiscussWorkspaceReportSaveEasy
7Sounds with frequencies above 20,000 Hz are called:AAudibleBInfrasonicCUltrasonicDSupersonicView AnswerDiscussWorkspaceReportSaveEasy
8The acceleration due to gravity on Earth's surface is about:A98 m/s²B1.6 m/s²C6.67 m/s²D9.8 m/s²View AnswerDiscussWorkspaceReportSaveEasy
9The rainbow is formed due to:AOnly reflectionBPolarisationCDiffraction onlyDDispersion, refraction and reflection of sunlight in raindropsView AnswerDiscussWorkspaceReportSaveEasy
10The splitting of white light into its colours is called:AReflectionBDiffractionCDispersionDPolarisationView AnswerDiscussWorkspaceReportSaveEasy