Question Number 170721 by sciencestudent last updated on 29/May/22 $${Which}\:{is}\:{the}\:{true}\:{magnefication}'{s}\: \\ $$$${formula}\:{for}\:{the}\:{concave}\:{mirror}? \\ $$$${m}=\frac{{f}}{{p}−{f}}? \\ $$$${m}=−\frac{{f}}{{p}−{f}}? \\ $$ Commented by sciencestudent last updated on 30/May/22…
Question Number 170720 by sciencestudent last updated on 29/May/22 $${Prove}\:{the}\:{magnefication}\:{for}\:{concave} \\ $$$${mirror}. \\ $$$${m}=\frac{{f}}{\mid{f}−{p}\mid} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 38925 by NECx last updated on 01/Jul/18 $${Calculate}\:{the}\:{deviation}\:{of}\:{a}\:{ray}\:{of} \\ $$$${light},{which}\:{is}\:{incident}\:{on}\:{a}\:{plane} \\ $$$${mirror}\:{at}\:{an}\:{angle}\:{of}\:\mathrm{40}°. \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 01/Jul/18 $$\delta=\mathrm{180}^{{o}} −\mathrm{2}{i}=\mathrm{180}−\mathrm{80}^{{o}}…
Question Number 38923 by NECx last updated on 01/Jul/18 $${A}\:{glass}\:{prism}\:{made}\:{from}\:{a}\:{material} \\ $$$${of}\:{refractive}\:{index}\:\mathrm{1}.\mathrm{55}\:{has}\:{a} \\ $$$${refracting}\:{angle}\:{of}\:\mathrm{60}°.{The}\:{prism} \\ $$$${is}\:{immersed}\:{in}\:{water}\:{of}\:{refractive} \\ $$$${index}\:\mathrm{1}.\mathrm{33}.{Determine}\:{the}\:{angle}\:{of} \\ $$$${minimum}\:{deviation}\:{for}\:{a}\:{parallel} \\ $$$${beam}\:{of}\:{light}\:{passing}\:{through}\:{the} \\ $$$${prism}. \\…
Question Number 38235 by NECx last updated on 23/Jun/18 $${A}\:{man}\:\mathrm{2}{m}\:\mathrm{50}{cm}\:{tall}\:{stands}\:{a} \\ $$$${distance}\:{of}\:\mathrm{3}{m}\:{in}\:{front}\:{of}\:{a}\:{large} \\ $$$${vertical}\:{plane}\:{mirror}. \\ $$$$\left.{i}\right){what}\:{is}\:{the}\:{shortest}\:{length}\:{of}\:{the} \\ $$$${mirror}\:{that}\:{will}\:{enable}\:{the}\:{man}\:{see} \\ $$$${himself}\:{fully}? \\ $$$$\left.{ii}\right){what}\:{is}\:{the}\:{answer}\:{of}\:{the}\:{above} \\ $$$${if}\:{the}\:{man}\:{were}\:\mathrm{5}{m}\:{away}? \\…
Question Number 37945 by NECx last updated on 19/Jun/18 $${Two}\:{plane}\:{mirrors}\:{are}\:{inclined}\:{at} \\ $$$${an}\:{angle}\:{of}\:\mathrm{30}°.{A}\:{ray}\:{of}\:{light}\:{which} \\ $$$${makes}\:{an}\:{angle}\:{of}\:{incidence}\:{of}\:\mathrm{50}° \\ $$$${with}\:{one}\:{of}\:{the}\:{mirrors},{undergoes} \\ $$$${two}\:{successive}\:{reflections}\:{at}\:{the} \\ $$$${mirrors}.{Calculate}\:{the}\:{angle}\:{of} \\ $$$${deviation}. \\ $$$$ \\…
Question Number 36068 by NECx last updated on 28/May/18 $${Why}\:{is}\:{it}\:{not}\:{advisable}\:{to}\:{use} \\ $$$${small}\:{incident}\:{angle}\:{when}\:{performing} \\ $$$${experiment}\:{on}\:{refraction}\:{using}\:{a} \\ $$$${triangular}\:{prism}? \\ $$ Commented by NECx last updated on 28/May/18…
Question Number 35876 by NECx last updated on 25/May/18 $${please}\:{help} \\ $$$$ \\ $$$${why}\:{is}\:{it}\:{not}\:{advisable}\:{to}\:{use}\:{a} \\ $$$${small}\:{angle}\:{of}\:{incidence}\:{when} \\ $$$${performing}\:{experiment}\:{on}\:{refraction} \\ $$$${in}\:{a}\:{rectangular}\:{prism}???? \\ $$ Commented by tanmay.chaudhury50@gmail.com…
Question Number 165617 by mathls last updated on 05/Feb/22 $${what}\:{is}\:{the}\:{focal}\:{length}\:{formula}\:{for}\: \\ $$$${combined}\:{lenses}?\:{if}\:{lenses}\:{more}\:{than}\: \\ $$$${tow}? \\ $$ Answered by aleks041103 last updated on 05/Feb/22 $${If}\:{you}\:{have}\:{two}\:\boldsymbol{{thin}}\:{lenses}\:{with}\:{optical} \\…
Question Number 164821 by mathls last updated on 22/Jan/22 $${prove}\:{that}\:\:{n}=\frac{\mathrm{360}^{°} }{\propto}−\mathrm{1} \\ $$$${n}={number}\:{of}\:\:{multiple}\:{images}\: \\ $$ Commented by mathls last updated on 22/Jan/22 $${please}\:{i}\:{have}\:{problem}\:{and}\:{need}\:{to}\:{your} \\ $$$${help}.…