Question

please answer 10,11 and 12

10. Complete the following ray diagrams and state the characteristics of the images (real/virtual, upright/inverted, larger/smaller/same size) (3) o A - с Characteristics: 0 28 Characteristics: Name: Date: Period: 11. An astronaut's trip through space takes 60.0 years as measured relative to Earth and 15.0 years as measured by timing devices aboard the space vehicle. At what speed was the space vehicle travelling relative to Earth? [3]

Answer 1

B A' P A F B' Fig. 3.20. Image formed by concave mirror when an extended object is placed between F and C. cs Scanned with CamScanner

B M B' IP Α Α' F F Fig. 8.20. Image formed by concave lens when object is placed between F, and P. cs Scanned with CamScanner

10. Image 1 Image -1 real, inverted, larger (Con eave mirror) Image-2 Virtual, up right, smaller ( Concave Lens) cs Scanned with CamScanner

113 i det velocity of rechile relative to earth is v m/s. Time dialation equation At'= 15 years V1 - 02/2 At=6000 years At = st 60 15 - 2 Ji-v%2 1-v%2 = (45) 16 - vez = 1 - 16 = 16 = 15 V = с = 0.97€ v- o -97e mis 328 = 8+ 32 II 3 12) equivalent resistance 4x8 2+6 + Req= 478 internal resistance. r= 1:52 Current in circuit=3A 3A will divide at junction of 4 and 3 Tela 1 (42) = 2 / 2 x3=9/ A r. power = I ?R=) 6) 2x4 -X 4= 6.61 Watt 49 81 ® please give a rating help me. Comment any. doubt, sure help. CS Scanned with CamScanner