Select the correct statement(s) about sun in the solar system1 MarksChoose Option AA. Sun is a big nuclear fusion reactorChoose Option BB. Nuclear fusion reactions occur at the core of the sunChoose Option CC. Solar power operates on hydrogen fuel which will last for 10 billion yearsChoose Option DD. All statements are correct

What is the source of the Sun's energy?Multiple choice question.fusion reactionsfission reactionsradioactive decayhydrogen combustion

This question contains Statement −1 and Statement-2. Of the four choices given after the statements, choose the one that best describes the two statements.Statement - I:Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion. andStatement - IIFor heavy nuclei, binding energy per nucleon increases with increasing Z while for light nuclei it decrease with increasing Z.Statement −1 is false, Statement −2 is true.Statement - 1is true, Statement −2 is true; Statement −2 is correct explanation for Statement-1.Statement −1 is true, Statement −2 is true; Statement −2 is not a correct explanation for Statement-1.Statement −1 is true, Statement −2 is False.

Question 141 ptsIn what way are nuclear fission and nuclear fusion similar?Group of answer choicesBoth processes involve the decay of nuclei of atoms.Both processes result in formation of one or more new elements.Both processes are currently used to generate electrical energy.Both processes occur naturally inside the core of a star. Flag question: Question 15Question 151 ptsWhat type of nuclear reaction is shown in the equation Download equation?Group of answer choicesnuclear fissionnuclear fusionalpha decaybeta decay Flag question: Question 16Question 161 ptsWhat type of nuclear reaction is shown in the equation Download equation?Group of answer choicesnuclear fissionnuclear fusionalpha decaybeta decay

Choose all the correct statements about the solar cycleGroup of answer choicesThe number of sunspots is maximum every 11 yearsThe disruption of the electrical power grid and communication satellites due to solar streams of charged particles are more likely to occur during solar maxima. Solar cycle is driven by the solar magnetism

Time left 0:09:10Question 1Not yet answeredMarked out of 1.00Flag questionQuestion textWhich one of the following statements is incorrect for hydrogen?a.consist of a single proton and a single electron,b.exists freely in naturec.hydrogen fuel produces zero greenhouse gas emissiond.most abundant element in natureClear my choiceQuestion 2Not yet answeredMarked out of 1.00Flag questionQuestion textThe ocean thermal energy conversion (OTEC) is based on ___________.a.kinetic differenceb.energy differencec.potential differenced.temperature differenceClear my choiceQuestion 3Not yet answeredMarked out of 1.00Flag questionQuestion textWhich one of the following statements is correct for FCEV?a.generates electricity using oxygen and compressed hydrogenb.generates electricity using oxygen, compressed hydrogen, and solar cellsc.generates electricity using oxygen, compressed hydrogen, and fuel cellsd.generates electricity using solar cells