Nhận xét nào sau đây về thấu kính phân kì là không đúng? A.
Với thấu kính phân kì, vật thật cho ảnh ảo.

B.
Với thấu kính phân kì, có độ tụ D âm.

C.
Với thấu kính phân kì, vật thật cho ảnh thật.

D.
Với thấu kính phân kì, có tiêu cự f âm.

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

What properties of a moving object are used in determining the object's energy of motion

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final