3 Can UV lamp's light charge solar cells? 1 Why should angular momentum be conserved in this case? 1 How is the extension of the spring equal 2 times the extension of the block 1 Magnetic field and magnet 1 The linear expansion of rod having variable coefficient of linear expansion across its length

### Reputation (308)

 +10 Why should angular momentum be conserved in this case? +45 Can UV lamp's light charge solar cells? +25 How is the extension of the spring equal 2 times the extension of the block +10 Finding the temperature of a gas using the $P$-$V$ diagram

### Questions (7)

 2 Determining the focal length of a convex lens (no-parallax method) 1 Angular momentum and Gyroscopic precession of a top [closed] 1 Finding the temperature of a gas using the $P$-$V$ diagram [closed] 0 How does sweat evaporate even when the relative humidity is 100% 0 Measuring small changes in length using the micrometer screw gauge

### Tags (35)

 3 solar-cells 1 thermodynamics × 3 3 waves 1 angular-momentum × 2 2 newtonian-mechanics × 3 1 classical-mechanics 1 homework-and-exercises × 4 1 forces 1 pressure × 3 1 harmonic-oscillator

### Bookmarks (6)

 26 Does hot air really rise? 3 Describing forces in rolling 3 Inducing coil current by falling? 2 The linear expansion of rod having variable coefficient of linear expansion across its length 1 Is there an effect of magnetic field on stationary charge