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[C] Inverted and virtual
[B] Car with AC, refrigerator, fire extinguisher, aerosol sprays
[D] Ultraviolet radiation acting on oxygen molecule.
[D] Gives a squeaky Pop with a lit splint Always Remember, hydrogen gas is recognised by pop sound.
[C] 1/f = 1/v – 1/u The correct lens formula is: 1/v – 1/u = 1/f
When a convergent beam of light is incident on a plane mirror, then image formed is ____________ and ____________ .
[C] Inverted and virtual
[C] Inverted and virtual
See lessWhich of the following products contain ozone-depleting substances?
[B] Car with AC, refrigerator, fire extinguisher, aerosol sprays
[B] Car with AC, refrigerator, fire extinguisher, aerosol sprays
See lessOzone at higher atmosphere is a product of:
[D] Ultraviolet radiation acting on oxygen molecule.
[D] Ultraviolet radiation acting on oxygen molecule.
See lessWhich of the following is the test for the above gas released?
[D] Gives a squeaky Pop with a lit splint Always Remember, hydrogen gas is recognised by pop sound.
[D] Gives a squeaky Pop with a lit splint
See lessAlways Remember, hydrogen gas is recognised by pop sound.
The correct lens formula is:
[C] 1/f = 1/v – 1/u The correct lens formula is: 1/v – 1/u = 1/f
[C] 1/f = 1/v – 1/u
See lessThe correct lens formula is:
1/v – 1/u = 1/f